Truch - Wikipedia an piemontèis, l'enciclopedìa lìbera e a gràtis

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</div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_pms.wikipedia.org&uselang=pms" class=""><span>Oferte</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:CreaUtenza&returnto=Truch" title="I-j consejoma ëd creé un cont e ëd rintré ant ël sistema; però a l'é nen obligatòri" class=""><span>Creé un cont</span></a> </li> <li id="pt-login-2" 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class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Indice</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">sposta nella barra laterale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">nascondi</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Inizio</div> </a> </li> <li id="toc-Truch_inelàstich_e_elàstich" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Truch_inelàstich_e_elàstich"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Truch inelàstich e elàstich</span> </div> </a> <button aria-controls="toc-Truch_inelàstich_e_elàstich-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Attiva/disattiva la sottosezione Truch inelàstich e elàstich</span> </button> <ul id="toc-Truch_inelàstich_e_elàstich-sublist" class="vector-toc-list"> <li id="toc-Truch_normal_inelàstich" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Truch_normal_inelàstich"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>Truch normal inelàstich</span> </div> </a> <ul id="toc-Truch_normal_inelàstich-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Truch_normal_elàstich" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Truch_normal_elàstich"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2</span> <span>Truch normal elàstich</span> </div> </a> <ul id="toc-Truch_normal_elàstich-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Truch_antra_'d_còrp_reaj" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Truch_antra_'d_còrp_reaj"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.3</span> <span>Truch antra 'd còrp reaj</span> </div> </a> <ul id="toc-Truch_antra_'d_còrp_reaj-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Indice" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Mostra/Nascondi l'indice" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Mostra/Nascondi l'indice</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Truch</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Vai a una voce in un'altra lingua. Disponibile in 44 lingue" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-44" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">44 lingue</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%AA%D8%B5%D8%A7%D8%AF%D9%85" title="تصادم - arabo" lang="ar" hreflang="ar" data-title="تصادم" data-language-autonym="العربية" data-language-local-name="arabo" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%A3%D0%B4%D0%B0%D1%80" title="Удар - bielorusso" lang="be" hreflang="be" data-title="Удар" data-language-autonym="Беларуская" data-language-local-name="bielorusso" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%B8%E0%A6%82%E0%A6%98%E0%A6%B0%E0%A7%8D%E0%A6%B7_(%E0%A6%AA%E0%A6%A6%E0%A6%BE%E0%A6%B0%E0%A7%8D%E0%A6%A5%E0%A6%AC%E0%A6%BF%E0%A6%9C%E0%A7%8D%E0%A6%9E%E0%A6%BE%E0%A6%A8)" title="সংঘর্ষ (পদার্থবিজ্ঞান) - bengalese" lang="bn" hreflang="bn" data-title="সংঘর্ষ (পদার্থবিজ্ঞান)" data-language-autonym="বাংলা" data-language-local-name="bengalese" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Col%C2%B7lisi%C3%B3" title="Col·lisió - catalano" lang="ca" hreflang="ca" data-title="Col·lisió" data-language-autonym="Català" data-language-local-name="catalano" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/R%C3%A1z_t%C4%9Bles" title="Ráz těles - ceco" lang="cs" hreflang="cs" data-title="Ráz těles" data-language-autonym="Čeština" data-language-local-name="ceco" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%C3%87%D0%B0%D0%BF%C4%83%D0%BD%D1%83" title="Çапăну - ciuvascio" lang="cv" hreflang="cv" data-title="Çапăну" data-language-autonym="Чӑвашла" data-language-local-name="ciuvascio" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Kollision" title="Kollision - danese" lang="da" hreflang="da" data-title="Kollision" data-language-autonym="Dansk" data-language-local-name="danese" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Sto%C3%9F_(Physik)" title="Stoß (Physik) - tedesco" lang="de" hreflang="de" data-title="Stoß (Physik)" data-language-autonym="Deutsch" data-language-local-name="tedesco" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%9A%CF%81%CE%BF%CF%8D%CF%83%CE%B7" title="Κρούση - greco" lang="el" hreflang="el" data-title="Κρούση" data-language-autonym="Ελληνικά" data-language-local-name="greco" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Collision" title="Collision - inglese" lang="en" hreflang="en" data-title="Collision" data-language-autonym="English" data-language-local-name="inglese" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Kolizio" title="Kolizio - esperanto" lang="eo" hreflang="eo" data-title="Kolizio" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/P%C3%B5rge" title="Põrge - estone" lang="et" hreflang="et" data-title="Põrge" data-language-autonym="Eesti" data-language-local-name="estone" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%A8%D8%B1%D8%AE%D9%88%D8%B1%D8%AF" title="برخورد - persiano" lang="fa" hreflang="fa" data-title="برخورد" data-language-autonym="فارسی" data-language-local-name="persiano" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/T%C3%B6rm%C3%A4ys" title="Törmäys - finlandese" lang="fi" hreflang="fi" data-title="Törmäys" data-language-autonym="Suomi" data-language-local-name="finlandese" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Collision" title="Collision - francese" lang="fr" hreflang="fr" data-title="Collision" data-language-autonym="Français" data-language-local-name="francese" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%AD%E0%A4%BF%E0%A4%A1%E0%A4%BC%E0%A4%82%E0%A4%A4" title="भिड़ंत - hindi" lang="hi" hreflang="hi" data-title="भिड़ंत" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Sraz" title="Sraz - croato" lang="hr" hreflang="hr" data-title="Sraz" data-language-autonym="Hrvatski" data-language-local-name="croato" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/%C3%9Ctk%C3%B6z%C3%A9s_(mechanika)" title="Ütközés (mechanika) - ungherese" lang="hu" hreflang="hu" data-title="Ütközés (mechanika)" data-language-autonym="Magyar" data-language-local-name="ungherese" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%80%D5%A1%D6%80%D5%BE%D5%A1%D5%AE" title="Հարված - armeno" lang="hy" hreflang="hy" data-title="Հարված" data-language-autonym="Հայերեն" data-language-local-name="armeno" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Tumbukan" title="Tumbukan - indonesiano" lang="id" hreflang="id" data-title="Tumbukan" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesiano" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Urto" title="Urto - italiano" lang="it" hreflang="it" data-title="Urto" data-language-autonym="Italiano" data-language-local-name="italiano" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E8%A1%9D%E7%AA%81" title="衝突 - giapponese" lang="ja" hreflang="ja" data-title="衝突" data-language-autonym="日本語" data-language-local-name="giapponese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%A1%D0%BE%D2%9B%D2%9B%D1%8B" title="Соққы - kazako" lang="kk" hreflang="kk" data-title="Соққы" data-language-autonym="Қазақша" data-language-local-name="kazako" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%B6%A9%EB%8F%8C" title="충돌 - coreano" lang="ko" hreflang="ko" data-title="충돌" data-language-autonym="한국어" data-language-local-name="coreano" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Sm%C5%ABgis" title="Smūgis - lituano" lang="lt" hreflang="lt" data-title="Smūgis" data-language-autonym="Lietuvių" data-language-local-name="lituano" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Sadursme_(klasisk%C4%81_meh%C4%81nika)" title="Sadursme (klasiskā mehānika) - lettone" lang="lv" hreflang="lv" data-title="Sadursme (klasiskā mehānika)" data-language-autonym="Latviešu" data-language-local-name="lettone" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Botsing_(natuurkunde)" title="Botsing (natuurkunde) - olandese" lang="nl" hreflang="nl" data-title="Botsing (natuurkunde)" data-language-autonym="Nederlands" data-language-local-name="olandese" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Kollisjon" title="Kollisjon - norvegese nynorsk" lang="nn" hreflang="nn" data-title="Kollisjon" data-language-autonym="Norsk nynorsk" data-language-local-name="norvegese nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Kollisjon" title="Kollisjon - norvegese bokmål" lang="nb" hreflang="nb" data-title="Kollisjon" data-language-autonym="Norsk bokmål" data-language-local-name="norvegese bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Zderzenie" title="Zderzenie - polacco" lang="pl" hreflang="pl" data-title="Zderzenie" data-language-autonym="Polski" data-language-local-name="polacco" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Colis%C3%A3o" title="Colisão - portoghese" lang="pt" hreflang="pt" data-title="Colisão" data-language-autonym="Português" data-language-local-name="portoghese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Ciocnire" title="Ciocnire - rumeno" lang="ro" hreflang="ro" data-title="Ciocnire" data-language-autonym="Română" data-language-local-name="rumeno" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A3%D0%B4%D0%B0%D1%80" title="Удар - russo" lang="ru" hreflang="ru" data-title="Удар" data-language-autonym="Русский" data-language-local-name="russo" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Collision" title="Collision - Simple English" lang="en-simple" hreflang="en-simple" data-title="Collision" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Trk" title="Trk - sloveno" lang="sl" hreflang="sl" data-title="Trk" data-language-autonym="Slovenščina" data-language-local-name="sloveno" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%A1%D1%83%D0%B4%D0%B0%D1%80%D0%B8" title="Судари - serbo" lang="sr" hreflang="sr" data-title="Судари" data-language-autonym="Српски / srpski" data-language-local-name="serbo" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/St%C3%B6t_(mekanik)" title="Stöt (mekanik) - svedese" lang="sv" hreflang="sv" data-title="Stöt (mekanik)" data-language-autonym="Svenska" data-language-local-name="svedese" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%AE%E0%AF%8B%E0%AE%A4%E0%AE%B2%E0%AF%8D" title="மோதல் - tamil" lang="ta" hreflang="ta" data-title="மோதல்" data-language-autonym="தமிழ்" data-language-local-name="tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%A4%E0%B0%BE%E0%B0%95%E0%B0%BF%E0%B0%A1%E0%B0%BF" title="తాకిడి - telugu" lang="te" hreflang="te" data-title="తాకిడి" data-language-autonym="తెలుగు" data-language-local-name="telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/%C3%87arp%C4%B1%C5%9Fma" title="Çarpışma - turco" lang="tr" hreflang="tr" data-title="Çarpışma" data-language-autonym="Türkçe" data-language-local-name="turco" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A3%D0%B4%D0%B0%D1%80" title="Удар - ucraino" lang="uk" hreflang="uk" data-title="Удар" data-language-autonym="Українська" data-language-local-name="ucraino" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Zarba" title="Zarba - uzbeco" lang="uz" hreflang="uz" data-title="Zarba" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="uzbeco" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E7%A2%B0%E6%92%9E" title="碰撞 - cinese" lang="zh" hreflang="zh" data-title="碰撞" data-language-autonym="中文" data-language-local-name="cinese" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E7%A2%B0%E6%92%9E" title="碰撞 - cantonese" lang="yue" hreflang="yue" data-title="碰撞" data-language-autonym="粵語" data-language-local-name="cantonese" class="interlanguage-link-target"><span>粵語</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q238053#sitelinks-wikipedia" title="Modifiché le liure antërlenga" class="wbc-editpage">Modifiché j'anliure</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Spassi nominaj"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Truch" title="Vardé la pàgina ëd contnù. [c]" accesskey="c"><span>Artìcol</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Discussion:Truch&action=edit&redlink=1" rel="discussion" class="new" title="Discussion ansima a sta pàgina ëd contnù. (pàgina ch'a esist pa) [t]" accesskey="t"><span>Discussion</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Cambia versione linguistica" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Piemontèis</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="vìsite"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Truch"><span>Lese</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Truch&veaction=edit" title="Modifiché costa pàgina [v]" accesskey="v"><span>Modifiché</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Truch&action=edit" title="Modifiché ël còdes sorgiss ëd sa pàgina [e]" accesskey="e"><span>Modifiché la sorgiss</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Truch&action=history" title="Veje version dla pàgina. [h]" accesskey="h"><span>Smon-e la stòria</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Strumenti pagine"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="utiss" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">utiss</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Strumenti</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">sposta nella barra laterale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">nascondi</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Altre opzioni" > <div class="vector-menu-heading"> Azioni </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Truch"><span>Lese</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Truch&veaction=edit" title="Modifiché costa pàgina [v]" accesskey="v"><span>Modifiché</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Truch&action=edit" title="Modifiché ël còdes sorgiss ëd sa pàgina [e]" accesskey="e"><span>Modifiché la sorgiss</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Truch&action=history"><span>Smon-e la stòria</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Generale </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Special:PuntanoQui/Truch" title="Lista ëd tute le pàgine dla wiki che a men-o ambelessì. [j]" accesskey="j"><span>Pàgine con dj'anliure che a men-o a costa-sì</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:ModificheCorrelate/Truch" rel="nofollow" title="Ùltime modìfiche dle pàgine andoa as peul andesse da costa. [k]" accesskey="k"><span>Modìfiche colegà</span></a></li><li id="t-upload" class="mw-list-item"><a href="//commons.wikimedia.org/wiki/Special:UploadWizard?uselang=pms" title="Carié n'archivi ëd figure ò son. [u]" accesskey="u"></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Special:PagineSpeciali" title="Lista ëd tute le pàgine speciaj. [q]" accesskey="q"><span>Pàgine Speciaj</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Truch&oldid=783282" title="Anliura fissa a sta version-sì dla pàgina"><span>Anliura fissa</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Truch&action=info" title="Pi d'anformassio su costa pàgina"><span>Anformassion an sla pàgina</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:Cita&page=Truch&id=783282&wpFormIdentifier=titleform" title="Anformassion ëd com sité sta pàgina-sì."><span>Sita sta pàgina-sì</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&url=https%3A%2F%2Fpms.wikipedia.org%2Fwiki%2FTruch"><span>Ottieni URL breve</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&url=https%3A%2F%2Fpms.wikipedia.org%2Fwiki%2FTruch"><span>Scarica codice QR</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Stampa/espòrta </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Special:Libro&bookcmd=book_creator&referer=Truch"><span>Crea un lìber</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&page=Truch&action=show-download-screen"><span>Dëscaria com PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Truch&printable=yes" title="Version bon-a da stampé dë sta pàgina [p]" accesskey="p"><span>Version bon-a për stampé</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> An autri proget </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:Collisions" hreflang="en"><span>Wikimedia Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q238053" title="Liura a l'element ëd referensa dij dàit colegà [g]" accesskey="g"><span>Element Wikidata</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Strumenti pagine"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Aspetto"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Aspetto</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">sposta nella barra laterale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">nascondi</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Da Wikipedia.</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="pms" dir="ltr"><div class="nomobile"><div style="width: 450px; border:solid blue 1px; margin: 1px;"> <table cellspacing="0" style="border:solid red 1px; margin: 1px; width: 448px; background: lightblue;"> <tbody><tr> <td rowspan="3" style="width: 45px; height: 28px; text-align: center;"><span typeof="mw:File"><a href="/wiki/Figura:Drap%C3%B2_piemont%C3%A8is.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/pms/thumb/c/cb/Drap%C3%B2_piemont%C3%A8is.png/78px-Drap%C3%B2_piemont%C3%A8is.png" decoding="async" width="78" height="56" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/pms/thumb/c/cb/Drap%C3%B2_piemont%C3%A8is.png/117px-Drap%C3%B2_piemont%C3%A8is.png 1.5x, //upload.wikimedia.org/wikipedia/pms/thumb/c/cb/Drap%C3%B2_piemont%C3%A8is.png/156px-Drap%C3%B2_piemont%C3%A8is.png 2x" data-file-width="800" data-file-height="571" /></a></span></td> <td style="font-size: 11pt; padding: 2pt 0pt 0pt 4pt; line-height: 1em; color: black;"><b><a class="mw-selflink selflink">Vos</a> an <a href="/wiki/Lenga_piemont%C3%A8isa" title="Lenga piemontèisa">lenga piemontèisa</a></b></td> </tr> <tr> <td style="font-size: 8pt; padding: 1pt 0pt 0pt 4pt; line-height: 1.25em; color: black;">Për amprende a dovré 'l sistema dle parlà locaj <a href="/wiki/Agiut:Parl%C3%A0_locaj" title="Agiut:Parlà locaj">ch'a varda sì</a>.</td> </tr> </tbody></table> </div> </div> <table style="float:left; width:100%;"> <tbody><tr> <td valign="top"> <p>Un <b>truch</b> a l'é lòn ch'a-i ancapita tute le vire che doi <a href="/w/index.php?title=C%C3%B2rp&action=edit&redlink=1" class="new" title="Còrp (pàgina ch'a esist pa)">còrp</a> as toco e, ant ij pont ëd la <a href="/wiki/Surfassa" title="Surfassa">surfassa</a> ëd contat, le componente ëd l'<a href="/wiki/Andi" title="Andi">andi</a> perpendicolar a la surfassa ëd contat a son diferente. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Truch_inelàstich_e_elàstich"><span id="Truch_inel.C3.A0stich_e_el.C3.A0stich"></span>Truch inelàstich e elàstich</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Truch&veaction=edit&section=1" title="I soma dapress a modifiché la session: Truch inelàstich e elàstich" class="mw-editsection-visualeditor"><span>modìfica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Truch&action=edit&section=1" title="Edit section's source code: Truch inelàstich e elàstich"><span>modifiché la sorgiss</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Un truch a l'é <i>inelàstich</i> cand as dësrola antra 'd còrp inelàstich, visadì dij còrp andoa minca deformassion a l'é përmanenta e a dësvlupa nen ant ij còrp dle <a href="/w/index.php?title=Reassion&action=edit&redlink=1" class="new" title="Reassion (pàgina ch'a esist pa)">reassion</a> elàstiche ch'as opon-o a la deformassion patìa. Ël truch e la deformassion a continuo antlora fin-a a che le componente dj'andi normaj a le surfasse ëd contat a sio uguaj. </p><p>Cand che ël truch a-i riva antra 'd còrp elàstich, a l'é nopà ciamà <i>elàstich</i> ëdcò chiel. </p> <div class="mw-heading mw-heading3"><h3 id="Truch_normal_inelàstich"><span id="Truch_normal_inel.C3.A0stich"></span>Truch normal inelàstich</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Truch&veaction=edit&section=2" title="I soma dapress a modifiché la session: Truch normal inelàstich" class="mw-editsection-visualeditor"><span>modìfica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Truch&action=edit&section=2" title="Edit section's source code: Truch normal inelàstich"><span>modifiché la sorgiss</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ch'as consìdero doe <a href="/wiki/Sfera" title="Sfera">sfere</a> inelàstiche, ëd <a href="/wiki/Massa_(f%C3%ACsica)" title="Massa (fìsica)">masse</a> <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle m_{1}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle m_{1}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/31aafa60e48d39ccce922404c0b80340b2cc777a" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:3.095ex; height:2.009ex;" alt="{\displaystyle m_{1}}"></span> e <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle m_{2}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle m_{2}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/0ecebe334d5cadc3ffcf245eb02919034d7a2ec8" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:3.095ex; height:2.009ex;" alt="{\displaystyle m_{2}}"></span> ch'a bogio arlongh l'ass dj'assisse <i>x</i> con andi costant <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle u_{1}={\frac {dx_{1}}{dt}},u_{2}={\frac {dx_{2}}{dt}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mi>d</mi> <msub> <mi>x</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> </mrow> <mrow> <mi>d</mi> <mi>t</mi> </mrow> </mfrac> </mrow> <mo>,</mo> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mi>d</mi> <msub> <mi>x</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> </mrow> <mrow> <mi>d</mi> <mi>t</mi> </mrow> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle u_{1}={\frac {dx_{1}}{dt}},u_{2}={\frac {dx_{2}}{dt}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/295f20daf7a4a7ea16ae818b0b7405fae5e7a79e" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.005ex; width:20.871ex; height:5.509ex;" alt="{\displaystyle u_{1}={\frac {dx_{1}}{dt}},u_{2}={\frac {dx_{2}}{dt}}}"></span>. An suponend <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle x_{1}<x_{2}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>x</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo><</mo> <msub> <mi>x</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle x_{1}<x_{2}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/ab5be810f318d1d4a506c86442106aab197a8d02" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:7.866ex; height:2.176ex;" alt="{\displaystyle x_{1}<x_{2}}"></span>, a-i riva 'n truch si <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle u_{1}>u_{2}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>></mo> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle u_{1}>u_{2}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/1b90250738eb72db39f7f311bea492939e8cf07a" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:7.866ex; height:2.176ex;" alt="{\displaystyle u_{1}>u_{2}}"></span>. </p><p>Dagià che al sistema a l'é aplicà gnun-a <a href="/wiki/F%C3%B2rsa" title="Fòrsa">fòrsa</a>, për ël <a href="/wiki/Teorema" title="Teorema">teorema</a> dle <a href="/wiki/Quantit%C3%A0_%C3%ABd_moviment" title="Quantità ëd moviment">quantità ëd moviment</a> l'andi final <i>U</i> apress ël truch a l'é smonù da </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle m_{1}u_{1}+m_{2}u_{2}=U(m_{1}+m_{2})}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>+</mo> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>=</mo> <mi>U</mi> <mo stretchy="false">(</mo> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>+</mo> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo stretchy="false">)</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle m_{1}u_{1}+m_{2}u_{2}=U(m_{1}+m_{2})}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/97177bc788df9e507439810fe66de40a3b9430d9" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:29.518ex; height:2.843ex;" alt="{\displaystyle m_{1}u_{1}+m_{2}u_{2}=U(m_{1}+m_{2})}"></span>,</dd></dl> <p>dont </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle U={\frac {m_{1}u_{1}+m_{2}u_{2}}{m_{1}+m_{2}}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>U</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>+</mo> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> </mrow> <mrow> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>+</mo> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> </mrow> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle U={\frac {m_{1}u_{1}+m_{2}u_{2}}{m_{1}+m_{2}}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/26707e9f8feaa80f547f2bb7aae653a3ce654699" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.171ex; width:19.515ex; height:5.343ex;" alt="{\displaystyle U={\frac {m_{1}u_{1}+m_{2}u_{2}}{m_{1}+m_{2}}}}"></span>.</dd></dl> <p>Për esempi, për ël truch d'un còrp mòl contra na muraja fërma, ch'as buta <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle m_{2}=+\infty ,u_{2}=0}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>=</mo> <mo>+</mo> <mi mathvariant="normal">∞</mi> <mo>,</mo> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>=</mo> <mn>0</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle m_{2}=+\infty ,u_{2}=0}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/777002dd5cfe5af5668536d8f361a8328e649ea4" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:18.004ex; height:2.509ex;" alt="{\displaystyle m_{2}=+\infty ,u_{2}=0}"></span>; as oten antlora U=0, visadì la sfera ch'a sbat a së sbërgnaca contra la parèj, che an pràtica a resta fërma. </p><p>La variassion d'<a href="/wiki/Energ%C3%ACa_cin%C3%A9tica" title="Energìa cinética">energìa cinética</a> ant ël truch a l'é: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \Delta {\mathcal {E}}={\frac {1}{2}}(m_{1}+m_{2})U^{2}-\left({\frac {1}{2}}m_{1}u_{1}^{2}+{\frac {1}{2}}m_{2}u_{2}^{2}\right)=}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi mathvariant="normal">Δ</mi> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mi class="MJX-tex-caligraphic" mathvariant="script">E</mi> </mrow> </mrow> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>1</mn> <mn>2</mn> </mfrac> </mrow> <mo stretchy="false">(</mo> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>+</mo> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo stretchy="false">)</mo> <msup> <mi>U</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mo>−</mo> <mrow> <mo>(</mo> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>1</mn> <mn>2</mn> </mfrac> </mrow> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <msubsup> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msubsup> <mo>+</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>1</mn> <mn>2</mn> </mfrac> </mrow> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <msubsup> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msubsup> </mrow> <mo>)</mo> </mrow> <mo>=</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \Delta {\mathcal {E}}={\frac {1}{2}}(m_{1}+m_{2})U^{2}-\left({\frac {1}{2}}m_{1}u_{1}^{2}+{\frac {1}{2}}m_{2}u_{2}^{2}\right)=}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/c0289da149b4de3ee8288cf22a29c3fab11ebb50" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.505ex; width:48.588ex; height:6.176ex;" alt="{\displaystyle \Delta {\mathcal {E}}={\frac {1}{2}}(m_{1}+m_{2})U^{2}-\left({\frac {1}{2}}m_{1}u_{1}^{2}+{\frac {1}{2}}m_{2}u_{2}^{2}\right)=}"></span></dd> <dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle ={\frac {1}{2}}{\frac {(m_{1}u_{1}+m_{2}u_{2})^{2}}{m_{1}+m_{2}}}-\left({\frac {1}{2}}m_{1}u_{1}^{2}+{\frac {1}{2}}m_{2}u_{2}^{2}\right)=}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>1</mn> <mn>2</mn> </mfrac> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mo stretchy="false">(</mo> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>+</mo> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <msup> <mo stretchy="false">)</mo> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </mrow> <mrow> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>+</mo> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> </mrow> </mfrac> </mrow> <mo>−</mo> <mrow> <mo>(</mo> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>1</mn> <mn>2</mn> </mfrac> </mrow> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <msubsup> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msubsup> <mo>+</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>1</mn> <mn>2</mn> </mfrac> </mrow> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <msubsup> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msubsup> </mrow> <mo>)</mo> </mrow> <mo>=</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle ={\frac {1}{2}}{\frac {(m_{1}u_{1}+m_{2}u_{2})^{2}}{m_{1}+m_{2}}}-\left({\frac {1}{2}}m_{1}u_{1}^{2}+{\frac {1}{2}}m_{2}u_{2}^{2}\right)=}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/81f7a780f69bf993d74ce3dda795a88638eda611" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.505ex; width:48.459ex; height:6.509ex;" alt="{\displaystyle ={\frac {1}{2}}{\frac {(m_{1}u_{1}+m_{2}u_{2})^{2}}{m_{1}+m_{2}}}-\left({\frac {1}{2}}m_{1}u_{1}^{2}+{\frac {1}{2}}m_{2}u_{2}^{2}\right)=}"></span></dd> <dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle =-{\frac {m_{1}m_{2}}{m_{1}+m_{2}}}{\frac {(u_{1}-u_{2})^{2}}{2}}<0}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo>=</mo> <mo>−</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> </mrow> <mrow> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>+</mo> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> </mrow> </mfrac> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mo stretchy="false">(</mo> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>−</mo> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <msup> <mo stretchy="false">)</mo> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </mrow> <mn>2</mn> </mfrac> </mrow> <mo><</mo> <mn>0</mn> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle =-{\frac {m_{1}m_{2}}{m_{1}+m_{2}}}{\frac {(u_{1}-u_{2})^{2}}{2}}<0}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/5323b51b852132c0c542d9592766c3a98c96a479" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.171ex; width:29.696ex; height:6.176ex;" alt="{\displaystyle =-{\frac {m_{1}m_{2}}{m_{1}+m_{2}}}{\frac {(u_{1}-u_{2})^{2}}{2}}<0}"></span>.</dd></dl> <p>A-i riva donca na pèrdita d'energìa cinética, ch'as trasforma an na quantità 'd <a href="/w/index.php?title=Calor&action=edit&redlink=1" class="new" title="Calor (pàgina ch'a esist pa)">calor</a> equivalenta për <a href="/w/index.php?title=F%C3%ABrtage&action=edit&redlink=1" class="new" title="Fërtage (pàgina ch'a esist pa)">fërtage</a> anterior ant la deformassion dij còrp inelàstich. </p> <div class="mw-heading mw-heading3"><h3 id="Truch_normal_elàstich"><span id="Truch_normal_el.C3.A0stich"></span>Truch normal elàstich</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Truch&veaction=edit&section=3" title="I soma dapress a modifiché la session: Truch normal elàstich" class="mw-editsection-visualeditor"><span>modìfica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Truch&action=edit&section=3" title="Edit section's source code: Truch normal elàstich"><span>modifiché la sorgiss</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ch'as supon-a adess che le sfere a sio elàstiche e che, apress ël truch, j'andi rispetiv a sio <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle U_{1}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>U</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle U_{1}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/bc9e7f892894bc50c32ce1b9f9a68a15562146ac" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:2.642ex; height:2.509ex;" alt="{\displaystyle U_{1}}"></span> e <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle U_{2}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>U</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle U_{2}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/590fa6a550fbe2866a28243a733d54245d218b9d" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:2.642ex; height:2.509ex;" alt="{\displaystyle U_{2}}"></span>.<br /> Për ël teorema dle quantità ëd moviment, </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle m_{1}u_{1}+m_{2}u_{2}=m_{1}U_{1}+m_{2}U_{2}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>+</mo> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>=</mo> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <msub> <mi>U</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>+</mo> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <msub> <mi>U</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle m_{1}u_{1}+m_{2}u_{2}=m_{1}U_{1}+m_{2}U_{2}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/91a32b51a961b58bdcbe25008c17176e7630a1fe" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:31.209ex; height:2.509ex;" alt="{\displaystyle m_{1}u_{1}+m_{2}u_{2}=m_{1}U_{1}+m_{2}U_{2}}"></span>.</dd></dl> <p>An costa situassion ëdcò l'energìa cinética as conserva, visadì </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle m_{1}u_{1}^{2}+m_{2}u_{2}^{2}=m_{1}U_{1}^{2}+m_{2}U_{2}^{2}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <msubsup> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msubsup> <mo>+</mo> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <msubsup> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msubsup> <mo>=</mo> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <msubsup> <mi>U</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msubsup> <mo>+</mo> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <msubsup> <mi>U</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msubsup> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle m_{1}u_{1}^{2}+m_{2}u_{2}^{2}=m_{1}U_{1}^{2}+m_{2}U_{2}^{2}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/888bed64294f435a2a4a28e444884c84ed119b7a" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:31.717ex; height:3.176ex;" alt="{\displaystyle m_{1}u_{1}^{2}+m_{2}u_{2}^{2}=m_{1}U_{1}^{2}+m_{2}U_{2}^{2}}"></span>.</dd></dl> <p>Butand ansema le doe <a href="/wiki/Equassion" title="Equassion">equassion</a>, </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \left\{{\begin{array}{rcl}m_{1}(u_{1}-U_{1})&=&m_{2}(U_{2}-u_{2})\\m_{1}(u_{1}+U_{1})(u_{1}-U_{1})&=&m_{2}(u_{2}+U_{2})(U_{2}-u_{2})\end{array}}\right.}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow> <mo>{</mo> <mrow class="MJX-TeXAtom-ORD"> <mtable columnalign="right center left" rowspacing="4pt" columnspacing="1em"> <mtr> <mtd> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo stretchy="false">(</mo> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>−</mo> <msub> <mi>U</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo stretchy="false">)</mo> </mtd> <mtd> <mo>=</mo> </mtd> <mtd> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo stretchy="false">(</mo> <msub> <mi>U</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>−</mo> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo stretchy="false">)</mo> </mtd> </mtr> <mtr> <mtd> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo stretchy="false">(</mo> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>+</mo> <msub> <mi>U</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo stretchy="false">)</mo> <mo stretchy="false">(</mo> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>−</mo> <msub> <mi>U</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo stretchy="false">)</mo> </mtd> <mtd> <mo>=</mo> </mtd> <mtd> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo stretchy="false">(</mo> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>+</mo> <msub> <mi>U</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo stretchy="false">)</mo> <mo stretchy="false">(</mo> <msub> <mi>U</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>−</mo> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo stretchy="false">)</mo> </mtd> </mtr> </mtable> </mrow> <mo fence="true" stretchy="true" symmetric="true"></mo> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \left\{{\begin{array}{rcl}m_{1}(u_{1}-U_{1})&=&m_{2}(U_{2}-u_{2})\\m_{1}(u_{1}+U_{1})(u_{1}-U_{1})&=&m_{2}(u_{2}+U_{2})(U_{2}-u_{2})\end{array}}\right.}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/101dbe582a59908acded176823809d71f606780d" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.505ex; width:53.839ex; height:6.176ex;" alt="{\displaystyle \left\{{\begin{array}{rcl}m_{1}(u_{1}-U_{1})&=&m_{2}(U_{2}-u_{2})\\m_{1}(u_{1}+U_{1})(u_{1}-U_{1})&=&m_{2}(u_{2}+U_{2})(U_{2}-u_{2})\end{array}}\right.}"></span>,</dd></dl> <p>dont, an dividend ant ij doi mèmber, </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle u_{1}+U_{1}=u_{2}+U_{2}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>+</mo> <msub> <mi>U</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>=</mo> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>+</mo> <msub> <mi>U</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle u_{1}+U_{1}=u_{2}+U_{2}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/1a0315c0f039fcc926394f37ca0c5c71d459a604" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:18.831ex; height:2.509ex;" alt="{\displaystyle u_{1}+U_{1}=u_{2}+U_{2}}"></span>.</dd></dl> <p>Butand costa ansema a la prima, un a oten </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \left\{{\begin{array}{rcl}U_{1}&=&{\frac {(m_{1}-m_{2})u_{1}+2m_{2}u_{2}}{m_{1}+m_{2}}}\\U_{2}&=&{\frac {(m_{2}-m_{1})u_{2}+2m_{1}u_{1}}{m_{1}+m_{2}}}\end{array}}\right.}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow> <mo>{</mo> <mrow class="MJX-TeXAtom-ORD"> <mtable columnalign="right center left" rowspacing="4pt" columnspacing="1em"> <mtr> <mtd> <msub> <mi>U</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> </mtd> <mtd> <mo>=</mo> </mtd> <mtd> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mo stretchy="false">(</mo> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>−</mo> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo stretchy="false">)</mo> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>+</mo> <mn>2</mn> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> </mrow> <mrow> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>+</mo> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> </mrow> </mfrac> </mrow> </mtd> </mtr> <mtr> <mtd> <msub> <mi>U</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> </mtd> <mtd> <mo>=</mo> </mtd> <mtd> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mo stretchy="false">(</mo> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>−</mo> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo stretchy="false">)</mo> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>+</mo> <mn>2</mn> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> </mrow> <mrow> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>+</mo> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> </mrow> </mfrac> </mrow> </mtd> </mtr> </mtable> </mrow> <mo fence="true" stretchy="true" symmetric="true"></mo> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \left\{{\begin{array}{rcl}U_{1}&=&{\frac {(m_{1}-m_{2})u_{1}+2m_{2}u_{2}}{m_{1}+m_{2}}}\\U_{2}&=&{\frac {(m_{2}-m_{1})u_{2}+2m_{1}u_{1}}{m_{1}+m_{2}}}\end{array}}\right.}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/94d48ba8bc3eb41b111fae3a6a89e841c18bfcb4" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -3.717ex; margin-bottom: -0.287ex; width:27.774ex; height:9.176ex;" alt="{\displaystyle \left\{{\begin{array}{rcl}U_{1}&=&{\frac {(m_{1}-m_{2})u_{1}+2m_{2}u_{2}}{m_{1}+m_{2}}}\\U_{2}&=&{\frac {(m_{2}-m_{1})u_{2}+2m_{1}u_{1}}{m_{1}+m_{2}}}\end{array}}\right.}"></span></dd></dl> <p>e ëdcò </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle U_{1}-U_{2}=u_{2}-u_{1}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>U</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>−</mo> <msub> <mi>U</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>=</mo> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>−</mo> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle U_{1}-U_{2}=u_{2}-u_{1}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/44d1ace5c6f057e012479658a0cce3e9fb4aaf23" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:18.831ex; height:2.509ex;" alt="{\displaystyle U_{1}-U_{2}=u_{2}-u_{1}}"></span>,</dd></dl> <p>ch'a fortiss che l'andi relativ apress ël truch a l'é opòst a col prima dël truch. </p><p>Për esempi, ant ël cas particolar <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle m_{1}=m_{2}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>=</mo> <msub> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle m_{1}=m_{2}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/2ac4f8db979aad35e260ec4878a1cb1456b85de4" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:9.288ex; height:2.009ex;" alt="{\displaystyle m_{1}=m_{2}}"></span>, un a treuva </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle U_{1}=u_{2},U_{2}=u_{1}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>U</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>=</mo> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>,</mo> <msub> <mi>U</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>=</mo> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle U_{1}=u_{2},U_{2}=u_{1}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/dd6fb77bac2d70c74f3bb0daafba90b657b2fbd5" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:17.282ex; height:2.509ex;" alt="{\displaystyle U_{1}=u_{2},U_{2}=u_{1}}"></span>,</dd></dl> <p>visadì j'andi dle doe sfere as cangio antra 'd lor. </p> <div class="mw-heading mw-heading3"><h3 id="Truch_antra_'d_còrp_reaj"><span id="Truch_antra_.27d_c.C3.B2rp_reaj"></span>Truch antra 'd còrp reaj</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Truch&veaction=edit&section=4" title="I soma dapress a modifiché la session: Truch antra 'd còrp reaj" class="mw-editsection-visualeditor"><span>modìfica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Truch&action=edit&section=4" title="Edit section's source code: Truch antra 'd còrp reaj"><span>modifiché la sorgiss</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ant la pràtica un truch a l'é mai tut afàit elàstich, fussa già mach për l'energìa sonora dël <a href="/wiki/Son" title="Son">son</a> produvù da l'antruch, <a href="/wiki/Energ%C3%ACa" title="Energìa">energìa</a> ch'a l'é pijà da le sfere. E motobin da ràir ël truch a l'é dël tut inelàstich.<br /> Ël <a href="/w/index.php?title=Rap%C3%B2rt&action=edit&redlink=1" class="new" title="Rapòrt (pàgina ch'a esist pa)">rapòrt</a> </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle e=-{\frac {U_{1}-U_{2}}{u_{1}-u_{2}}}={\frac {U_{1}-U_{2}}{u_{2}-u_{1}}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>e</mi> <mo>=</mo> <mo>−</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <msub> <mi>U</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>−</mo> <msub> <mi>U</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> </mrow> <mrow> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>−</mo> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> </mrow> </mfrac> </mrow> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <msub> <mi>U</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>−</mo> <msub> <mi>U</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> </mrow> <mrow> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>−</mo> <msub> <mi>u</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> </mrow> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle e=-{\frac {U_{1}-U_{2}}{u_{1}-u_{2}}}={\frac {U_{1}-U_{2}}{u_{2}-u_{1}}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f346c93aa0786d96754dde6cd069960e040f3c15" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.171ex; width:27.009ex; height:5.509ex;" alt="{\displaystyle e=-{\frac {U_{1}-U_{2}}{u_{1}-u_{2}}}={\frac {U_{1}-U_{2}}{u_{2}-u_{1}}}}"></span></dd></dl> <p>a l'é ciamà <i>coefissient ëd restitussion</i>. Si ël truch a l'é elàstich ëd fasson përfeta, e=1; si a l'é inelàstich ëd fasson përfeta, antlora e=0. </p><p>Ël fërtage antra ij còrp ch'a antruco a l'é nen nul e soens le sfere a l'han pa mach un moviment <a href="/w/index.php?title=Traslat%C3%B2ri&action=edit&redlink=1" class="new" title="Traslatòri (pàgina ch'a esist pa)">traslatòri</a>, ma ëdcò un moviment sensibil ëd <a href="/w/index.php?title=Rotassion&action=edit&redlink=1" class="new" title="Rotassion (pàgina ch'a esist pa)">rotassion</a>, coma a suced për le bale da <a href="/w/index.php?title=Biliard&action=edit&redlink=1" class="new" title="Biliard (pàgina ch'a esist pa)">biliard</a>. </p><p>Donca, j'arzultà dij cas elàstich e inelàstich a valo mach tanme <a href="/w/index.php?title=Aprossimassion&action=edit&redlink=1" class="new" title="Aprossimassion (pàgina ch'a esist pa)">aprossimassion</a>. </p> </td> <td class="nomobile" style="background: #C0E1FF; width:152px; font-size: 85%;" align="right" valign="top"> <div class="nomobile"> <div style="border:solid grey 1px; margin: 1px; padding: 2px;"> <table cellpadding="1" style="font-size:95%" align="center"> <tbody><tr> <td align="center"><span typeof="mw:File"><a href="/wiki/Wikipedia:Lese_%C3%ABl_piemont%C3%A8is" title="Aiuto"><img alt="Aiuto" src="//upload.wikimedia.org/wikipedia/pms/thumb/0/09/Italiancurt.png/30px-Italiancurt.png" decoding="async" width="30" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/pms/thumb/0/09/Italiancurt.png/45px-Italiancurt.png 1.5x, //upload.wikimedia.org/wikipedia/pms/thumb/0/09/Italiancurt.png/60px-Italiancurt.png 2x" data-file-width="172" data-file-height="172" /></a></span> </td> <td><b><a href="/wiki/Wikipedia:Lese_%C3%ABl_piemont%C3%A8is" title="Wikipedia:Lese ël piemontèis">Aiuto per<br />la lettura</a></b> </td></tr> <tr> <td align="center"><span typeof="mw:File"><a href="/wiki/Wikipedia:Lese_%C3%ABl_piemont%C3%A8is_version_spagneula" title="Ayuda"><img alt="Ayuda" src="//upload.wikimedia.org/wikipedia/pms/thumb/0/03/Spagneulcurt.png/30px-Spagneulcurt.png" decoding="async" width="30" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/pms/thumb/0/03/Spagneulcurt.png/45px-Spagneulcurt.png 1.5x, //upload.wikimedia.org/wikipedia/pms/thumb/0/03/Spagneulcurt.png/60px-Spagneulcurt.png 2x" data-file-width="172" data-file-height="172" /></a></span> </td> <td><b><a href="/wiki/Wikipedia:Lese_%C3%ABl_piemont%C3%A8is_version_spagneula" title="Wikipedia:Lese ël piemontèis version spagneula">Ayuda para<br />la lectura</a></b> </td></tr> <tr> <td align="center"><span typeof="mw:File"><a href="/wiki/Wikipedia:Reading_Piedmontese_English_version" title="Help"><img alt="Help" src="//upload.wikimedia.org/wikipedia/pms/thumb/c/cc/Angl%C3%A8iscurt.png/30px-Angl%C3%A8iscurt.png" decoding="async" width="30" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/pms/thumb/c/cc/Angl%C3%A8iscurt.png/45px-Angl%C3%A8iscurt.png 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align="center"><span typeof="mw:File"><a href="/wiki/Wikipedia:Aministrator" title="Contata j'Aministrator"><img alt="Contata j'Aministrator" src="//upload.wikimedia.org/wikipedia/pms/thumb/e/e7/Tel%C3%A8fonAmnistr.png/30px-Tel%C3%A8fonAmnistr.png" decoding="async" width="30" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/pms/thumb/e/e7/Tel%C3%A8fonAmnistr.png/45px-Tel%C3%A8fonAmnistr.png 1.5x, //upload.wikimedia.org/wikipedia/pms/thumb/e/e7/Tel%C3%A8fonAmnistr.png/60px-Tel%C3%A8fonAmnistr.png 2x" data-file-width="136" data-file-height="136" /></a></span> </td> <td><b><a href="/wiki/Wikipedia:Aministrator" title="Wikipedia:Aministrator">Contaté<br /> j'Aministrator</a></b> </td></tr> <tr> <td align="center"><span typeof="mw:File"><a href="/wiki/Wikipedia:L%C3%ACber_che_as_consejo" title="Lìber për Amprende"><img alt="Lìber për Amprende" src="//upload.wikimedia.org/wikipedia/pms/thumb/2/20/StageraL%C3%ACber.jpg/30px-StageraL%C3%ACber.jpg" decoding="async" width="30" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/pms/thumb/2/20/StageraL%C3%ACber.jpg/45px-StageraL%C3%ACber.jpg 1.5x, //upload.wikimedia.org/wikipedia/pms/thumb/2/20/StageraL%C3%ACber.jpg/60px-StageraL%C3%ACber.jpg 2x" data-file-width="135" data-file-height="136" /></a></span> </td> <td><b><a href="/wiki/Wikipedia:L%C3%ACber_che_as_consejo" title="Wikipedia:Lìber che as consejo">Lìber për<br /> Amprende</a></b> </td></tr> <tr> <td align="center"><span typeof="mw:File"><a href="/wiki/Wikipedia:Criteri_p%C3%ABr_la_coression_ortogr%C3%A0fica" title="Coression Ortogràfica"><img alt="Coression Ortogràfica" src="//upload.wikimedia.org/wikipedia/pms/thumb/e/ec/Coression.png/30px-Coression.png" decoding="async" width="30" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/pms/thumb/e/ec/Coression.png/45px-Coression.png 1.5x, //upload.wikimedia.org/wikipedia/pms/thumb/e/ec/Coression.png/60px-Coression.png 2x" data-file-width="136" data-file-height="135" /></a></span> </td> <td><b><a href="/wiki/Wikipedia:Criteri_p%C3%ABr_la_coression_ortogr%C3%A0fica" title="Wikipedia:Criteri për la coression ortogràfica">Coression<br /> ortogràfica</a></b> </td></tr> <tr> <td align="center"><span typeof="mw:File"><a href="/wiki/Wikipedia:Tastadura_piemont%C3%A8isa" title="Tastadura Piemontèisa"><img alt="Tastadura Piemontèisa" src="//upload.wikimedia.org/wikipedia/pms/thumb/b/b6/Tastadura.png/30px-Tastadura.png" decoding="async" width="30" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/pms/thumb/b/b6/Tastadura.png/45px-Tastadura.png 1.5x, //upload.wikimedia.org/wikipedia/pms/thumb/b/b6/Tastadura.png/60px-Tastadura.png 2x" data-file-width="136" data-file-height="136" /></a></span> </td> <td><b><a href="/wiki/Wikipedia:Tastadura_piemont%C3%A8isa" title="Wikipedia:Tastadura piemontèisa">Tastadura<br /> piemontèisa</a></b> </td></tr> <tr> <td align="center"><span typeof="mw:File"><a href="/wiki/Categor%C3%ACa:Proget" title="Portaj e Proget"><img alt="Portaj e Proget" src="//upload.wikimedia.org/wikipedia/pms/thumb/9/9e/Portal-puzzle.png/30px-Portal-puzzle.png" decoding="async" width="30" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/pms/thumb/9/9e/Portal-puzzle.png/45px-Portal-puzzle.png 1.5x, //upload.wikimedia.org/wikipedia/pms/thumb/9/9e/Portal-puzzle.png/60px-Portal-puzzle.png 2x" data-file-width="136" data-file-height="135" /></a></span> </td> <td><b><a href="/wiki/Categor%C3%ACa:Proget" title="Categorìa:Proget">Portaj<br />e Proget</a></b> </td></tr> <tr> <td align="center"><span typeof="mw:File"><a href="/wiki/Agiut:Amprende_a_travaj%C3%A9_da_zero" title="Agiut pr'ij contributor"><img alt="Agiut pr'ij contributor" src="//upload.wikimedia.org/wikipedia/pms/thumb/5/57/Wikibalon.png/30px-Wikibalon.png" decoding="async" width="30" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/pms/thumb/5/57/Wikibalon.png/45px-Wikibalon.png 1.5x, //upload.wikimedia.org/wikipedia/pms/thumb/5/57/Wikibalon.png/60px-Wikibalon.png 2x" data-file-width="136" data-file-height="136" /></a></span> </td> <td><b><a href="/wiki/Agiut:Amprende_a_travaj%C3%A9_da_zero" title="Agiut:Amprende a travajé da zero">Agiut pr'ij<br />Contributor</a></b> </td></tr> <tr> <td align="center"><span typeof="mw:File"><a href="/wiki/Categor%C3%ACa:Figure_da_but%C3%A9" title="Travajòt belfè"><img alt="Travajòt belfè" src="//upload.wikimedia.org/wikipedia/pms/thumb/e/e8/Ciav_e_tornavis.gif/30px-Ciav_e_tornavis.gif" decoding="async" width="30" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/pms/thumb/e/e8/Ciav_e_tornavis.gif/45px-Ciav_e_tornavis.gif 1.5x, //upload.wikimedia.org/wikipedia/pms/thumb/e/e8/Ciav_e_tornavis.gif/60px-Ciav_e_tornavis.gif 2x" data-file-width="136" data-file-height="136" /></a></span> </td> <td><b><a 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