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href="#Teorema_de_variație_a_energiei_într-un_sistem_conservativ"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Teorema de variație a energiei într-un sistem conservativ</span> </div> </a> <ul id="toc-Teorema_de_variație_a_energiei_într-un_sistem_conservativ-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Bariera_de_potențial" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Bariera_de_potențial"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Bariera de potențial</span> </div> </a> <ul id="toc-Bariera_de_potențial-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Note" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Note"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Note</span> </div> </a> <ul id="toc-Note-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Surse_bibliografice" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Surse_bibliografice"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Surse bibliografice</span> </div> </a> <ul id="toc-Surse_bibliografice-sublist" class="vector-toc-list"> </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="Cuprins" 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="Comută cuprinsul" > <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">Comută cuprinsul</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">Energie potențială</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="Mergeți la un articol în altă limbă. Disponibil în 87 limbi" > <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-87" 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">87 limbi</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%B7%D8%A7%D9%82%D8%A9_%D9%88%D8%B6%D8%B9" title="طاقة وضع – arabă" lang="ar" hreflang="ar" data-title="طاقة وضع" data-language-autonym="العربية" data-language-local-name="arabă" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-as mw-list-item"><a href="https://as.wikipedia.org/wiki/%E0%A6%B8%E0%A7%8D%E0%A6%A5%E0%A6%BF%E0%A6%A4%E0%A6%BF_%E0%A6%B6%E0%A6%95%E0%A7%8D%E0%A6%A4%E0%A6%BF" title="স্থিতি শক্তি – asameză" lang="as" hreflang="as" data-title="স্থিতি শক্তি" data-language-autonym="অসমীয়া" data-language-local-name="asameză" class="interlanguage-link-target"><span>অসমীয়া</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Enerx%C3%ADa_potencial" title="Enerxía potencial – asturiană" lang="ast" hreflang="ast" data-title="Enerxía potencial" data-language-autonym="Asturianu" data-language-local-name="asturiană" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Potensial_enerji" title="Potensial enerji – azeră" lang="az" hreflang="az" data-title="Potensial enerji" data-language-autonym="Azərbaycanca" data-language-local-name="azeră" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-bcl mw-list-item"><a href="https://bcl.wikipedia.org/wiki/Enerhiyang_potensyal" title="Enerhiyang potensyal – Central Bikol" lang="bcl" hreflang="bcl" data-title="Enerhiyang potensyal" data-language-autonym="Bikol Central" data-language-local-name="Central Bikol" class="interlanguage-link-target"><span>Bikol Central</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9F%D0%B0%D1%82%D1%8D%D0%BD%D1%86%D1%8B%D1%8F%D0%BB%D1%8C%D0%BD%D0%B0%D1%8F_%D1%8D%D0%BD%D0%B5%D1%80%D0%B3%D1%96%D1%8F" title="Патэнцыяльная энергія – belarusă" lang="be" hreflang="be" data-title="Патэнцыяльная энергія" data-language-autonym="Беларуская" data-language-local-name="belarusă" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%9F%D0%B0%D1%82%D1%8D%D0%BD%D1%86%D1%8B%D0%B9%D0%BD%D0%B0%D1%8F_%D1%8D%D0%BD%D1%8D%D1%80%D0%B3%D1%96%D1%8F" title="Патэнцыйная энэргія – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Патэнцыйная энэргія" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9F%D0%BE%D1%82%D0%B5%D0%BD%D1%86%D0%B8%D0%B0%D0%BB%D0%BD%D0%B0_%D0%B5%D0%BD%D0%B5%D1%80%D0%B3%D0%B8%D1%8F" title="Потенциална енергия – bulgară" lang="bg" hreflang="bg" data-title="Потенциална енергия" data-language-autonym="Български" data-language-local-name="bulgară" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AC%E0%A6%BF%E0%A6%AD%E0%A6%AC_%E0%A6%B6%E0%A6%95%E0%A7%8D%E0%A6%A4%E0%A6%BF" title="বিভব শক্তি – bengaleză" lang="bn" hreflang="bn" data-title="বিভব শক্তি" data-language-autonym="বাংলা" data-language-local-name="bengaleză" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Potencijalna_energija" title="Potencijalna energija – bosniacă" lang="bs" hreflang="bs" data-title="Potencijalna energija" data-language-autonym="Bosanski" data-language-local-name="bosniacă" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Energia_potencial" title="Energia potencial – catalană" lang="ca" hreflang="ca" data-title="Energia potencial" data-language-autonym="Català" data-language-local-name="catalană" 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/Potenci%C3%A1ln%C3%AD_energie" title="Potenciální energie – cehă" lang="cs" hreflang="cs" data-title="Potenciální energie" data-language-autonym="Čeština" data-language-local-name="cehă" 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/%D0%9F%D0%BE%D1%82%D0%B5%D0%BD%D1%86%D0%B8%D0%B0%D0%BB%D0%BB%D0%B0_%D1%8D%D0%BD%D0%B5%D1%80%D0%B3%D0%B8" title="Потенциалла энерги – ciuvașă" lang="cv" hreflang="cv" data-title="Потенциалла энерги" data-language-autonym="Чӑвашла" data-language-local-name="ciuvașă" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Egni_potensial" title="Egni potensial – galeză" lang="cy" hreflang="cy" data-title="Egni potensial" data-language-autonym="Cymraeg" data-language-local-name="galeză" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Potentiel_energi" title="Potentiel energi – daneză" lang="da" hreflang="da" data-title="Potentiel energi" data-language-autonym="Dansk" data-language-local-name="daneză" 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/Potentielle_Energie" title="Potentielle Energie – germană" lang="de" hreflang="de" data-title="Potentielle Energie" data-language-autonym="Deutsch" data-language-local-name="germană" 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%94%CF%85%CE%BD%CE%B1%CE%BC%CE%B9%CE%BA%CE%AE_%CE%B5%CE%BD%CE%AD%CF%81%CE%B3%CE%B5%CE%B9%CE%B1" title="Δυναμική ενέργεια – greacă" lang="el" hreflang="el" data-title="Δυναμική ενέργεια" data-language-autonym="Ελληνικά" data-language-local-name="greacă" 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/Potential_energy" title="Potential energy – engleză" lang="en" hreflang="en" data-title="Potential energy" data-language-autonym="English" data-language-local-name="engleză" 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/Potenciala_energio" title="Potenciala energio – esperanto" lang="eo" hreflang="eo" data-title="Potenciala energio" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Energ%C3%ADa_potencial" title="Energía potencial – spaniolă" lang="es" hreflang="es" data-title="Energía potencial" data-language-autonym="Español" data-language-local-name="spaniolă" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Potentsiaalne_energia" title="Potentsiaalne energia – estonă" lang="et" hreflang="et" data-title="Potentsiaalne energia" data-language-autonym="Eesti" data-language-local-name="estonă" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Energia_potentzial" title="Energia potentzial – bască" lang="eu" hreflang="eu" data-title="Energia potentzial" data-language-autonym="Euskara" data-language-local-name="bască" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%A7%D9%86%D8%B1%DA%98%DB%8C_%D9%BE%D8%AA%D8%A7%D9%86%D8%B3%DB%8C%D9%84" title="انرژی پتانسیل – persană" lang="fa" hreflang="fa" data-title="انرژی پتانسیل" data-language-autonym="فارسی" data-language-local-name="persană" 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/Potentiaalienergia" title="Potentiaalienergia – finlandeză" lang="fi" hreflang="fi" data-title="Potentiaalienergia" data-language-autonym="Suomi" data-language-local-name="finlandeză" 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/%C3%89nergie_potentielle" title="Énergie potentielle – franceză" lang="fr" hreflang="fr" data-title="Énergie potentielle" data-language-autonym="Français" data-language-local-name="franceză" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Fuinneamh_poit%C3%A9insi%C3%BAil" title="Fuinneamh poitéinsiúil – irlandeză" lang="ga" hreflang="ga" data-title="Fuinneamh poitéinsiúil" data-language-autonym="Gaeilge" data-language-local-name="irlandeză" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gcr mw-list-item"><a href="https://gcr.wikipedia.org/wiki/%C3%89nerji_potansy%C3%A8l" title="Énerji potansyèl – Guianan Creole" lang="gcr" hreflang="gcr" data-title="Énerji potansyèl" data-language-autonym="Kriyòl gwiyannen" data-language-local-name="Guianan Creole" class="interlanguage-link-target"><span>Kriyòl gwiyannen</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Enerx%C3%ADa_potencial" title="Enerxía potencial – galiciană" lang="gl" hreflang="gl" data-title="Enerxía potencial" data-language-autonym="Galego" data-language-local-name="galiciană" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%90%D7%A0%D7%A8%D7%92%D7%99%D7%94_%D7%A4%D7%95%D7%98%D7%A0%D7%A6%D7%99%D7%90%D7%9C%D7%99%D7%AA" title="אנרגיה פוטנציאלית – ebraică" lang="he" hreflang="he" data-title="אנרגיה פוטנציאלית" data-language-autonym="עברית" data-language-local-name="ebraică" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%B8%E0%A5%8D%E0%A4%A5%E0%A4%BF%E0%A4%A4%E0%A4%BF%E0%A4%9C_%E0%A4%8A%E0%A4%B0%E0%A5%8D%E0%A4%9C%E0%A4%BE" title="स्थितिज ऊर्जा – hindi" lang="hi" hreflang="hi" data-title="स्थितिज ऊर्जा" 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/Potencijalna_energija" title="Potencijalna energija – croată" lang="hr" hreflang="hr" data-title="Potencijalna energija" data-language-autonym="Hrvatski" data-language-local-name="croată" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/En%C3%A8ji_potansy%C3%A8l_chimik" title="Enèji potansyèl chimik – haitiană" lang="ht" hreflang="ht" data-title="Enèji potansyèl chimik" data-language-autonym="Kreyòl ayisyen" data-language-local-name="haitiană" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Potenci%C3%A1lis_energia" title="Potenciális energia – maghiară" lang="hu" hreflang="hu" data-title="Potenciális energia" data-language-autonym="Magyar" data-language-local-name="maghiară" 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%8A%D5%B8%D5%BF%D5%A5%D5%B6%D6%81%D5%AB%D5%A1%D5%AC_%D5%A7%D5%B6%D5%A5%D6%80%D5%A3%D5%AB%D5%A1" title="Պոտենցիալ էներգիա – armeană" lang="hy" hreflang="hy" data-title="Պոտենցիալ էներգիա" data-language-autonym="Հայերեն" data-language-local-name="armeană" 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/Energi_potensial" title="Energi potensial – indoneziană" lang="id" hreflang="id" data-title="Energi potensial" data-language-autonym="Bahasa Indonesia" data-language-local-name="indoneziană" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/St%C3%B6%C3%B0uorka" title="Stöðuorka – islandeză" lang="is" hreflang="is" data-title="Stöðuorka" data-language-autonym="Íslenska" data-language-local-name="islandeză" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Energia_potenziale" title="Energia potenziale – italiană" lang="it" hreflang="it" data-title="Energia potenziale" data-language-autonym="Italiano" data-language-local-name="italiană" 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/%E4%BD%8D%E7%BD%AE%E3%82%A8%E3%83%8D%E3%83%AB%E3%82%AE%E3%83%BC" title="位置エネルギー – japoneză" lang="ja" hreflang="ja" data-title="位置エネルギー" data-language-autonym="日本語" data-language-local-name="japoneză" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-jam mw-list-item"><a href="https://jam.wikipedia.org/wiki/Potenshal_enaji" title="Potenshal enaji – Jamaican Creole English" lang="jam" hreflang="jam" data-title="Potenshal enaji" data-language-autonym="Patois" data-language-local-name="Jamaican Creole English" class="interlanguage-link-target"><span>Patois</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/Energi_Potensial" title="Energi Potensial – javaneză" lang="jv" hreflang="jv" data-title="Energi Potensial" data-language-autonym="Jawa" data-language-local-name="javaneză" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%9E%E1%83%9D%E1%83%A2%E1%83%94%E1%83%9C%E1%83%AA%E1%83%98%E1%83%A3%E1%83%A0%E1%83%98_%E1%83%94%E1%83%9C%E1%83%94%E1%83%A0%E1%83%92%E1%83%98%E1%83%90" title="პოტენციური ენერგია – georgiană" lang="ka" hreflang="ka" data-title="პოტენციური ენერგია" data-language-autonym="ქართული" data-language-local-name="georgiană" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%9F%D0%BE%D1%82%D0%B5%D0%BD%D1%86%D0%B8%D0%B0%D0%BB%D0%B4%D1%8B%D2%9B_%D1%8D%D0%BD%D0%B5%D1%80%D0%B3%D0%B8%D1%8F" title="Потенциалдық энергия – kazahă" lang="kk" hreflang="kk" data-title="Потенциалдық энергия" data-language-autonym="Қазақша" data-language-local-name="kazahă" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%85%E0%B2%82%E0%B2%A4%E0%B2%B8%E0%B3%8D%E0%B2%A5_%E0%B2%B6%E0%B2%95%E0%B3%8D%E0%B2%A4%E0%B2%BF" title="ಅಂತಸ್ಥ ಶಕ್ತಿ – kannada" lang="kn" hreflang="kn" data-title="ಅಂತಸ್ಥ ಶಕ್ತಿ" data-language-autonym="ಕನ್ನಡ" data-language-local-name="kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%9C%84%EC%B9%98_%EC%97%90%EB%84%88%EC%A7%80" title="위치 에너지 – coreeană" lang="ko" hreflang="ko" data-title="위치 에너지" data-language-autonym="한국어" data-language-local-name="coreeană" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Energia_potentialis" title="Energia potentialis – latină" lang="la" hreflang="la" data-title="Energia potentialis" data-language-autonym="Latina" data-language-local-name="latină" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Potencin%C4%97_energija" title="Potencinė energija – lituaniană" lang="lt" hreflang="lt" data-title="Potencinė energija" data-language-autonym="Lietuvių" data-language-local-name="lituaniană" 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/Potenci%C4%81l%C4%81_ener%C4%A3ija" title="Potenciālā enerģija – letonă" lang="lv" hreflang="lv" data-title="Potenciālā enerģija" data-language-autonym="Latviešu" data-language-local-name="letonă" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9F%D0%BE%D1%82%D0%B5%D0%BD%D1%86%D0%B8%D1%98%D0%B0%D0%BB%D0%BD%D0%B0_%D0%B5%D0%BD%D0%B5%D1%80%D0%B3%D0%B8%D1%98%D0%B0" title="Потенцијална енергија – macedoneană" lang="mk" hreflang="mk" data-title="Потенцијална енергија" data-language-autonym="Македонски" data-language-local-name="macedoneană" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%B8%E0%B5%8D%E0%B4%A5%E0%B4%BF%E0%B4%A4%E0%B4%BF%E0%B4%95%E0%B5%8B%E0%B5%BC%E0%B4%9C%E0%B5%8D%E0%B4%9C%E0%B4%82" title="സ്ഥിതികോർജ്ജം – malayalam" lang="ml" hreflang="ml" data-title="സ്ഥിതികോർജ്ജം" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%9F%D0%BE%D1%82%D0%B5%D0%BD%D1%86%D0%B8%D0%B0%D0%BB_%D1%8D%D0%BD%D0%B5%D1%80%D0%B3%D0%B8" title="Потенциал энерги – mongolă" lang="mn" hreflang="mn" data-title="Потенциал энерги" data-language-autonym="Монгол" data-language-local-name="mongolă" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%B8%E0%A5%8D%E0%A4%A5%E0%A4%BF%E0%A4%A4%E0%A5%80%E0%A4%9C_%E0%A4%8A%E0%A4%B0%E0%A5%8D%E0%A4%9C%E0%A4%BE" title="स्थितीज ऊर्जा – marathi" lang="mr" hreflang="mr" data-title="स्थितीज ऊर्जा" data-language-autonym="मराठी" data-language-local-name="marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Tenaga_keupayaan" title="Tenaga keupayaan – malaeză" lang="ms" hreflang="ms" data-title="Tenaga keupayaan" data-language-autonym="Bahasa Melayu" data-language-local-name="malaeză" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%A1%E1%80%90%E1%80%8A%E1%80%BA%E1%80%85%E1%80%BD%E1%80%99%E1%80%BA%E1%80%B8%E1%80%A1%E1%80%84%E1%80%BA" title="အတည်စွမ်းအင် – birmană" lang="my" hreflang="my" data-title="အတည်စွမ်းအင်" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="birmană" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Potenti%C3%ABle_energie" title="Potentiële energie – neerlandeză" lang="nl" hreflang="nl" data-title="Potentiële energie" data-language-autonym="Nederlands" data-language-local-name="neerlandeză" 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/Potensiell_energi" title="Potensiell energi – norvegiană nynorsk" lang="nn" hreflang="nn" data-title="Potensiell energi" data-language-autonym="Norsk nynorsk" data-language-local-name="norvegiană 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/Potensiell_energi" title="Potensiell energi – norvegiană bokmål" lang="nb" hreflang="nb" data-title="Potensiell energi" data-language-autonym="Norsk bokmål" data-language-local-name="norvegiană bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Energia_potenciala" title="Energia potenciala – occitană" lang="oc" hreflang="oc" data-title="Energia potenciala" data-language-autonym="Occitan" data-language-local-name="occitană" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-om mw-list-item"><a href="https://om.wikipedia.org/wiki/Anniisaa_Kuufamaa" title="Anniisaa Kuufamaa – oromo" lang="om" hreflang="om" data-title="Anniisaa Kuufamaa" data-language-autonym="Oromoo" data-language-local-name="oromo" class="interlanguage-link-target"><span>Oromoo</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%AA%E0%A9%81%E0%A8%9F%E0%A9%88%E0%A8%82%E0%A8%B8%E0%A8%BC%E0%A8%B2_%E0%A8%8A%E0%A8%B0%E0%A8%9C%E0%A8%BE" title="ਪੁਟੈਂਸ਼ਲ ਊਰਜਾ – punjabi" lang="pa" hreflang="pa" data-title="ਪੁਟੈਂਸ਼ਲ ਊਰਜਾ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="punjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Energia_potencjalna" title="Energia potencjalna – poloneză" lang="pl" hreflang="pl" data-title="Energia potencjalna" data-language-autonym="Polski" data-language-local-name="poloneză" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pms mw-list-item"><a href="https://pms.wikipedia.org/wiki/Energ%C3%ACa_potensial" title="Energìa potensial – Piedmontese" lang="pms" hreflang="pms" data-title="Energìa potensial" data-language-autonym="Piemontèis" data-language-local-name="Piedmontese" class="interlanguage-link-target"><span>Piemontèis</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Energia_potencial" title="Energia potencial – portugheză" lang="pt" hreflang="pt" data-title="Energia potencial" data-language-autonym="Português" data-language-local-name="portugheză" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9F%D0%BE%D1%82%D0%B5%D0%BD%D1%86%D0%B8%D0%B0%D0%BB%D1%8C%D0%BD%D0%B0%D1%8F_%D1%8D%D0%BD%D0%B5%D1%80%D0%B3%D0%B8%D1%8F" title="Потенциальная энергия – rusă" lang="ru" hreflang="ru" data-title="Потенциальная энергия" data-language-autonym="Русский" data-language-local-name="rusă" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Potencijalna_energija" title="Potencijalna energija – sârbo-croată" lang="sh" hreflang="sh" data-title="Potencijalna energija" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="sârbo-croată" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Potential_energy" title="Potential energy – Simple English" lang="en-simple" hreflang="en-simple" data-title="Potential energy" 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-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Potenci%C3%A1lna_energia" title="Potenciálna energia – slovacă" lang="sk" hreflang="sk" data-title="Potenciálna energia" data-language-autonym="Slovenčina" data-language-local-name="slovacă" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Potencialna_energija" title="Potencialna energija – slovenă" lang="sl" hreflang="sl" data-title="Potencialna energija" data-language-autonym="Slovenščina" data-language-local-name="slovenă" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sn mw-list-item"><a href="https://sn.wikipedia.org/wiki/Simba_reChakunga" title="Simba reChakunga – shona" lang="sn" hreflang="sn" data-title="Simba reChakunga" data-language-autonym="ChiShona" data-language-local-name="shona" class="interlanguage-link-target"><span>ChiShona</span></a></li><li class="interlanguage-link interwiki-so mw-list-item"><a href="https://so.wikipedia.org/wiki/Awood_Kaydsan" title="Awood Kaydsan – somaleză" lang="so" hreflang="so" data-title="Awood Kaydsan" data-language-autonym="Soomaaliga" data-language-local-name="somaleză" class="interlanguage-link-target"><span>Soomaaliga</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Energjia_potenciale" title="Energjia potenciale – albaneză" lang="sq" hreflang="sq" data-title="Energjia potenciale" data-language-autonym="Shqip" data-language-local-name="albaneză" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9F%D0%BE%D1%82%D0%B5%D0%BD%D1%86%D0%B8%D1%98%D0%B0%D0%BB%D0%BD%D0%B0_%D0%B5%D0%BD%D0%B5%D1%80%D0%B3%D0%B8%D1%98%D0%B0" title="Потенцијална енергија – sârbă" lang="sr" hreflang="sr" data-title="Потенцијална енергија" data-language-autonym="Српски / srpski" data-language-local-name="sârbă" 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/Potentiell_energi" title="Potentiell energi – suedeză" lang="sv" hreflang="sv" data-title="Potentiell energi" data-language-autonym="Svenska" data-language-local-name="suedeză" 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%A8%E0%AE%BF%E0%AE%B2%E0%AF%88%E0%AE%AF%E0%AE%BE%E0%AE%B1%E0%AF%8D%E0%AE%B1%E0%AE%B2%E0%AF%8D" title="நிலையாற்றல் – tamilă" lang="ta" hreflang="ta" data-title="நிலையாற்றல்" data-language-autonym="தமிழ்" data-language-local-name="tamilă" 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%B8%E0%B1%8D%E0%B0%A5%E0%B0%BF%E0%B0%A4%E0%B0%BF_%E0%B0%B6%E0%B0%95%E0%B1%8D%E0%B0%A4%E0%B0%BF" title="స్థితి శక్తి – telugu" lang="te" hreflang="te" data-title="స్థితి శక్తి" data-language-autonym="తెలుగు" data-language-local-name="telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%9E%E0%B8%A5%E0%B8%B1%E0%B8%87%E0%B8%87%E0%B8%B2%E0%B8%99%E0%B8%A8%E0%B8%B1%E0%B8%81%E0%B8%A2%E0%B9%8C" title="พลังงานศักย์ – thailandeză" lang="th" hreflang="th" data-title="พลังงานศักย์" data-language-autonym="ไทย" data-language-local-name="thailandeză" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Potansiyel_enerji" title="Potansiyel enerji – turcă" lang="tr" hreflang="tr" data-title="Potansiyel enerji" data-language-autonym="Türkçe" data-language-local-name="turcă" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/Potentsial%27_energi%C3%A4" title="Potentsial' energiä – tătară" lang="tt" hreflang="tt" data-title="Potentsial' energiä" data-language-autonym="Татарча / tatarça" data-language-local-name="tătară" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9F%D0%BE%D1%82%D0%B5%D0%BD%D1%86%D1%96%D0%B0%D0%BB%D1%8C%D0%BD%D0%B0_%D0%B5%D0%BD%D0%B5%D1%80%D0%B3%D1%96%D1%8F" title="Потенціальна енергія – ucraineană" lang="uk" hreflang="uk" data-title="Потенціальна енергія" data-language-autonym="Українська" data-language-local-name="ucraineană" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%AC%DB%81%D8%AF%DB%8C_%D8%AA%D9%88%D8%A7%D9%86%D8%A7%D8%A6%DB%8C" title="جہدی توانائی – urdu" lang="ur" hreflang="ur" data-title="جہدی توانائی" data-language-autonym="اردو" data-language-local-name="urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Potensial_energiya" title="Potensial energiya – uzbecă" lang="uz" hreflang="uz" data-title="Potensial energiya" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="uzbecă" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Th%E1%BA%BF_n%C4%83ng" title="Thế năng – vietnameză" lang="vi" hreflang="vi" data-title="Thế năng" data-language-autonym="Tiếng Việt" data-language-local-name="vietnameză" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Enerhiya_potensyal" title="Enerhiya potensyal – waray" lang="war" hreflang="war" data-title="Enerhiya potensyal" data-language-autonym="Winaray" data-language-local-name="waray" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E5%8A%BF%E8%83%BD" title="势能 – chineză wu" lang="wuu" hreflang="wuu" data-title="势能" data-language-autonym="吴语" data-language-local-name="chineză wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%8A%BF%E8%83%BD" title="势能 – chineză" lang="zh" hreflang="zh" data-title="势能" data-language-autonym="中文" data-language-local-name="chineză" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-classical mw-list-item"><a href="https://zh-classical.wikipedia.org/wiki/%E5%8B%A2%E8%83%BD" title="勢能 – Literary Chinese" lang="lzh" hreflang="lzh" data-title="勢能" data-language-autonym="文言" data-language-local-name="Literary Chinese" class="interlanguage-link-target"><span>文言</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E4%BD%8D%E8%83%BD" title="位能 – cantoneză" lang="yue" hreflang="yue" data-title="位能" data-language-autonym="粵語" data-language-local-name="cantoneză" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-zu mw-list-item"><a href="https://zu.wikipedia.org/wiki/Isidlakathi" title="Isidlakathi – zulu" lang="zu" hreflang="zu" data-title="Isidlakathi" data-language-autonym="IsiZulu" data-language-local-name="zulu" class="interlanguage-link-target"><span>IsiZulu</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span 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title="Legătură permanentă către această versiune a acestei pagini"><span>Legătură permanentă</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Energie_poten%C8%9Bial%C4%83&action=info" title="Mai multe informații despre această pagină"><span>Informații despre pagină</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:Citeaz%C4%83&page=Energie_poten%C8%9Bial%C4%83&id=16498630&wpFormIdentifier=titleform" title="Informații cu privire la modul de citare a acestei pagini"><span>Citează acest articol</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&url=https%3A%2F%2Fro.wikipedia.org%2Fwiki%2FEnergie_poten%25C8%259Bial%25C4%2583"><span>Obține URL scurtat</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&url=https%3A%2F%2Fro.wikipedia.org%2Fwiki%2FEnergie_poten%25C8%259Bial%25C4%2583"><span>Descărcați codul 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class="vector-menu-heading"> În alte proiecte </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:Potential_energy" 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/Q155640" title="Legătură către elementul asociat din depozitul de date [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="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Aspect"> <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">Aspect</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">mută în bara laterală</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">ascunde</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">De la Wikipedia, enciclopedia liberă</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="ro" dir="ltr"><table class="vertical-navbox nowraplinks" style="float:right;clear:right;width:22.0em;margin:0 0 1.0em 1.0em;color:var(--color-base, #000) !important;border:1px solid #aaa;padding:0.2em;border-spacing:0.4em 0;text-align:center;line-height:1.4em;font-size:88%"><tbody><tr><td style="padding-top:0.4em;line-height:1.2em">Parte a seriei de articole despre</td></tr><tr><th style="padding:0.2em 0.4em 0.2em;padding-top:0;font-size:145%;line-height:1.2em;padding-left:0.9em;padding-right:0.9em;"><a href="/wiki/Mecanic%C4%83_clasic%C4%83" title="Mecanică clasică">Mecanică clasică</a></th></tr><tr><td style="padding:0.2em 0 0.4em"><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 {\vec {F}}=m{\vec {a}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi>F</mi> <mo stretchy="false">→</mo> </mover> </mrow> </mrow> <mo>=</mo> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi>a</mi> <mo stretchy="false">→</mo> </mover> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\vec {F}}=m{\vec {a}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f7b202a8eaba4b424be52bcbaa043727b6ad9860" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:8.14ex; height:2.843ex;" alt="{\displaystyle {\vec {F}}=m{\vec {a}}}"></span><div style="padding-top:0.2em;line-height:1.2em;font-size:90%;padding:0.6em 0;font-style:italic;"><a href="/wiki/Legile_lui_Newton#Principiul_al_II-lea_al_mecanicii" title="Legile lui Newton">Principiul al II-lea al mecanicii</a></div></td></tr><tr><th style="padding:0.1em;background:#ddf; display:block;margin-bottom:1.0em;"> <div class="hlist"> <ul><li><a href="/wiki/Istoria_mecanicii_clasice" title="Istoria mecanicii clasice">Istorie</a></li> <li><a href="/wiki/Cronologia_mecanicii_clasice" title="Cronologia mecanicii clasice">Cronologie</a></li></ul> </div></th></tr><tr><td style="padding:0 0.1em 0.4em"> <div class="NavFrame collapsed" style="border:none;padding:0"><div class="NavHead" style="font-size:105%;background:inherit;color:var(--color-base, #000) !important;text-align:left;background:#ddf;text-align:center;">Ramuri</div><div class="NavContent plainlist" style="font-size:105%;padding:0.2em 0 0.4em;text-align:center;padding-top:0.35em;"><div class="hlist"> <ul><li><a href="/wiki/Cinematic%C4%83" title="Cinematică">Cinematică</a></li> <li><a href="/wiki/Dinamic%C4%83" title="Dinamică">Dinamică</a></li> <li><a href="/wiki/Mecanic%C4%83" title="Mecanică">Mecanică</a> <ul><li><a href="/wiki/Mecanic%C4%83_cereasc%C4%83" title="Mecanică cerească">cerească</a></li> <li><a href="/w/index.php?title=Mecanic%C4%83_aplicat%C4%83&action=edit&redlink=1" class="new" title="Mecanică aplicată — pagină inexistentă">aplicată</a></li> <li><a href="/wiki/Mecanica_mediilor_continue" title="Mecanica mediilor continue">a mediilor continue</a></li> <li><a href="/wiki/Mecanic%C4%83_statistic%C4%83" title="Mecanică statistică">statistică</a></li></ul></li> <li><a href="/wiki/Static%C4%83" title="Statică">Statică</a></li></ul> </div></div></div></td> </tr><tr><td style="padding:0 0.1em 0.4em"> <div class="NavFrame" style="border:none;padding:0"><div class="NavHead" style="font-size:105%;background:inherit;color:var(--color-base, #000) !important;text-align:left;background:#ddf;text-align:center;">Concepte</div><div class="NavContent plainlist" style="font-size:105%;padding:0.2em 0 0.4em;text-align:center;padding-top:0.35em;"><div class="hlist"> <ul><li><a href="/wiki/Accelera%C8%9Bie" title="Accelerație">Accelerație</a></li> <li><a href="/wiki/Energie" title="Energie">Energie</a> <ul><li><a href="/wiki/Energie_cinetic%C4%83" title="Energie cinetică">cinetică</a></li> <li><a class="mw-selflink selflink">potențială</a></li> <li><a href="/wiki/Energie_cinetic%C4%83_de_rota%C8%9Bie" title="Energie cinetică de rotație">de rotație</a></li></ul></li> <li><a href="/wiki/For%C8%9B%C4%83" title="Forță">Forță</a> <ul><li><a href="/wiki/For%C8%9Ba_aparent%C4%83" title="Forța aparentă">aparentă</a></li> <li><a href="/wiki/For%C8%9B%C4%83_de_contact" title="Forță de contact">contact</a></li> <li><a href="/wiki/Frecare" title="Frecare">frecare</a></li> <li><a href="/wiki/For%C8%9B%C4%83_de_suprafa%C8%9B%C4%83" title="Forță de suprafață">suprafață</a></li> <li><a href="/wiki/For%C8%9B%C4%83_de_volum" title="Forță de volum">volum</a></li></ul></li> <li><a href="/wiki/Impuls" title="Impuls">Impuls</a></li> <li><a href="/wiki/Iner%C8%9Bie_(fizic%C4%83)" title="Inerție (fizică)">Inerție</a></li> <li><a href="/wiki/Lucru_mecanic" title="Lucru mecanic">Lucru mecanic</a> <ul><li><a href="/w/index.php?title=Lucru_mecanic_virtual&action=edit&redlink=1" class="new" title="Lucru mecanic virtual — pagină inexistentă">virtual</a></li></ul></li> <li><a href="/wiki/Mas%C4%83" title="Masă">Masă</a></li> <li><a href="/wiki/Momentul_for%C8%9Bei" title="Momentul forței">Moment</a> <ul><li><a href="/wiki/Moment_cinetic" title="Moment cinetic">cinetic</a></li> <li><a href="/wiki/Moment_de_iner%C8%9Bie" title="Moment de inerție">de inerție</a></li></ul></li> <li><a href="/w/index.php?title=Principiul_lui_D%27Alembert&action=edit&redlink=1" class="new" title="Principiul lui D'Alembert — pagină inexistentă">Principiul lui D'Alembert</a></li> <li><a href="/wiki/Putere" title="Putere">Putere</a></li> <li><a href="/wiki/Randament" title="Randament">Randament</a> <ul><li><a href="/wiki/Randament_mecanic" title="Randament mecanic">mecanic</a></li></ul></li> <li><a href="/wiki/Sistem_de_referin%C8%9B%C4%83" title="Sistem de referință">Sistem de referință</a> <ul><li><a href="/wiki/Sistem_de_referin%C8%9B%C4%83_iner%C8%9Bial" title="Sistem de referință inerțial">inerțial</a></li> <li><a href="/wiki/Sistem_de_referin%C8%9B%C4%83#Sistem_de_referință_neinerțial" title="Sistem de referință">neinerțial</a></li></ul></li> <li><a href="/wiki/Spa%C8%9Biu" title="Spațiu">Spațiu</a></li> <li><a href="/wiki/Timp" title="Timp">Timp</a></li> <li><a href="/wiki/Vitez%C4%83" title="Viteză">Viteză</a> <ul><li><a href="/w/index.php?title=Vitez%C4%83_relativ%C4%83&action=edit&redlink=1" class="new" title="Viteză relativă — pagină inexistentă">relativă</a></li></ul></li></ul> </div></div></div></td> </tr><tr><td style="padding:0 0.1em 0.4em"> <div class="NavFrame collapsed" style="border:none;padding:0"><div class="NavHead" style="font-size:105%;background:inherit;color:var(--color-base, #000) !important;text-align:left;background:#ddf;text-align:center;">Formulări</div><div class="NavContent plainlist" style="font-size:105%;padding:0.2em 0 0.4em;text-align:center;padding-top:0.35em;"> <ul><li><div style="padding:0.1em 0;line-height:1.2em;"><b><a href="/wiki/Legile_lui_Newton" title="Legile lui Newton">Legile lui Newton</a></b></div></li> <li><div style="padding:0.1em 0;line-height:1.2em;"><b><a href="/wiki/Mecanic%C4%83_analitic%C4%83" class="mw-redirect" title="Mecanică analitică">Mecanică analitică</a></b> <ul style="list-style:none none; padding:0px; margin:0px"><li><a href="/wiki/Mecanic%C4%83_lagrangian%C4%83" title="Mecanică lagrangiană">Mecanică lagrangiană</a> </li><li> <a href="/wiki/Mecanic%C4%83_hamiltonian%C4%83" title="Mecanică hamiltoniană">Mecanică hamiltoniană</a> </li><li> <a href="/wiki/Ecua%C8%9Bia_Hamilton%E2%80%93Jacobi" title="Ecuația Hamilton–Jacobi">Ecuația Hamilton–Jacobi</a> </li></ul></div></li></ul> </div></div></td> </tr><tr><td style="padding:0 0.1em 0.4em"> <div class="NavFrame collapsed" style="border:none;padding:0"><div class="NavHead" style="font-size:105%;background:inherit;color:var(--color-base, #000) !important;text-align:left;background:#ddf;text-align:center;">Subiecte de bază</div><div class="NavContent plainlist" style="font-size:105%;padding:0.2em 0 0.4em;text-align:center;padding-top:0.35em;"><div class="hlist"> <ul><li><a href="/w/index.php?title=Deplasare&action=edit&redlink=1" class="new" title="Deplasare — pagină inexistentă">Deplasare</a></li> <li><a href="/wiki/Legea_atrac%C8%9Biei_universale" title="Legea atracției universale">Legea atracției universale</a></li> <li><a href="/wiki/Mi%C8%99care_(fizic%C4%83)" title="Mișcare (fizică)">Mișcare</a> <ul><li><a href="/wiki/Ecua%C8%9Bii_de_mi%C8%99care" title="Ecuații de mișcare">ecuații</a></li> <li><a href="/w/index.php?title=Mi%C8%99care_armonic%C4%83_simpl%C4%83&action=edit&redlink=1" class="new" title="Mișcare armonică simplă — pagină inexistentă">armonică</a></li> <li><a href="/wiki/Mi%C8%99care_rectilinie" title="Mișcare rectilinie">rectilinie</a></li></ul></li> <li><a href="/wiki/Solid_rigid" title="Solid rigid">Solid rigid</a></li></ul> </div></div></div></td> </tr><tr><td style="padding:0 0.1em 0.4em"> <div class="NavFrame collapsed" style="border:none;padding:0"><div class="NavHead" style="font-size:105%;background:inherit;color:var(--color-base, #000) !important;text-align:left;background:#ddf;text-align:center;"><a href="/wiki/Rota%C8%9Bie" title="Rotație">Rotație</a></div><div class="NavContent plainlist" style="font-size:105%;padding:0.2em 0 0.4em;text-align:center;padding-top:0.35em;"><div class="hlist"> <ul><li><a href="/wiki/Rota%C8%9Bie" title="Rotație">Rotație</a></li> <li><a href="/w/index.php?title=Sistem_de_referin%C8%9B%C4%83_%C3%AEn_rota%C8%9Bie&action=edit&redlink=1" class="new" title="Sistem de referință în rotație — pagină inexistentă">Sistem de referință în rotație</a></li> <li><a href="/wiki/Vitez%C4%83_unghiular%C4%83" title="Viteză unghiulară">Viteză unghiulară</a></li> <li><a href="/wiki/Accelera%C8%9Bie_unghiular%C4%83" title="Accelerație unghiulară">Accelerație unghiulară</a></li> <li><a href="/w/index.php?title=For%C8%9B%C4%83_centripet%C4%83&action=edit&redlink=1" class="new" title="Forță centripetă — pagină inexistentă">Forță centripetă</a> <ul><li><a href="/wiki/For%C8%9Ba_centrifug%C4%83" title="Forța centrifugă">centrifugă</a></li></ul></li> <li><a href="/wiki/For%C8%9Ba_Coriolis" title="Forța Coriolis">Forța Coriolis</a></li> <li><a href="/wiki/Frecven%C8%9B%C4%83" title="Frecvență">Frecvență</a></li> <li><a href="/wiki/Oscila%C8%9Bie" title="Oscilație">Oscilație</a> <ul><li><a href="/wiki/Oscilator_armonic" title="Oscilator armonic">oscilator armonic</a></li> <li><a href="/w/index.php?title=Amortizare&action=edit&redlink=1" class="new" title="Amortizare — pagină inexistentă">amortizare</a></li></ul></li> <li><a href="/wiki/Pendul_gravita%C8%9Bional" title="Pendul gravitațional">Pendul</a> <ul><li><a href="/wiki/Pendul_conic" title="Pendul conic">conic</a></li></ul></li> <li><a href="/wiki/Vibra%C8%9Bie" title="Vibrație">Vibrație</a></li></ul> </div></div></div></td> </tr><tr><td style="padding:0 0.1em 0.4em"> <div class="NavFrame collapsed" style="border:none;padding:0"><div class="NavHead" style="font-size:105%;background:inherit;color:var(--color-base, #000) !important;text-align:left;background:#ddf;text-align:center;">Oameni de știință</div><div class="NavContent plainlist" style="font-size:105%;padding:0.2em 0 0.4em;text-align:center;padding-top:0.35em;"><div class="hlist"> <ul><li><a href="/wiki/Galileo_Galilei" title="Galileo Galilei">Galileo</a></li> <li><a href="/wiki/Christiaan_Huygens" title="Christiaan Huygens">Huygens</a></li> <li><a href="/wiki/Isaac_Newton" title="Isaac Newton">Newton</a></li> <li><a href="/wiki/Johannes_Kepler" title="Johannes Kepler">Kepler</a></li> <li><a href="/wiki/Jeremiah_Horrocks" title="Jeremiah Horrocks">Horrocks</a></li> <li><a href="/wiki/Edmond_Halley" title="Edmond Halley">Halley</a></li> <li><a href="/wiki/Leonhard_Euler" title="Leonhard Euler">Euler</a></li> <li><a href="/wiki/Jean_le_Rond_d%27Alembert" class="mw-redirect" title="Jean le Rond d'Alembert">d'Alembert</a></li> <li><a href="/wiki/Alexis_Clairaut" class="mw-redirect" title="Alexis Clairaut">Clairaut</a></li> <li><a href="/wiki/Joseph-Louis_Lagrange" title="Joseph-Louis Lagrange">Lagrange</a></li> <li><a href="/wiki/Pierre-Simon_Laplace" class="mw-redirect" title="Pierre-Simon Laplace">Laplace</a></li> <li><a href="/wiki/William_Rowan_Hamilton" title="William Rowan Hamilton">Hamilton</a></li> <li><a href="/wiki/Sim%C3%A9on_Denis_Poisson" title="Siméon Denis Poisson">Poisson</a></li> <li><a href="/wiki/Daniel_Bernoulli" title="Daniel Bernoulli">Daniel Bernoulli</a></li> <li><a href="/wiki/Johann_Bernoulli" title="Johann Bernoulli">Johann Bernoulli</a></li> <li><a href="/wiki/Augustin-Louis_Cauchy" class="mw-redirect" title="Augustin-Louis Cauchy">Cauchy</a></li></ul> </div></div></div></td> </tr><tr><td style="padding:0 0.1em 0.4em"> <div class="NavFrame collapsed" style="border:none;padding:0"><div class="NavHead" style="font-size:105%;background:inherit;color:var(--color-base, #000) !important;text-align:left;background:#ddf;text-align:center;">Categorii</div><div class="NavContent plainlist" style="font-size:105%;padding:0.2em 0 0.4em;text-align:center;padding-top:0.35em;"><div class="hlist"> <div class="CategoryTreeTag" data-ct-options="{"mode":0,"hideprefix":20,"showcount":false,"namespaces":false,"notranslations":false}"><div class="CategoryTreeSection"><div class="CategoryTreeItem"><span class="CategoryTreeBullet"><a class="CategoryTreeToggle" data-ct-title="Mecanică_clasică" aria-expanded="false"></a> </span> <bdi dir="ltr"><a href="/wiki/Categorie:Mecanic%C4%83_clasic%C4%83" title="Categorie:Mecanică clasică">Mecanică clasică</a></bdi></div><div class="CategoryTreeChildren" style="display:none"></div></div></div> </div></div></div></td> </tr><tr><td style="text-align:right;font-size:115%;padding-top: 0.6em;padding-top:0.15em;"><div class="plainlinks hlist navbar mini"><ul><li class="nv-view"><a href="/wiki/Format:Mecanic%C4%83_clasic%C4%83" title="Format:Mecanică clasică"><abbr title="Vizualizează acest format">v</abbr></a></li><li class="nv-talk"><a href="/w/index.php?title=Discu%C8%9Bie_Format:Mecanic%C4%83_clasic%C4%83&action=edit&redlink=1" class="new" title="Discuție Format:Mecanică clasică — pagină inexistentă"><abbr title="Discută acest format">d</abbr></a></li><li class="nv-edit"><a class="external text" href="https://ro.wikipedia.org/w/index.php?title=Format:Mecanic%C4%83_clasic%C4%83&action=edit"><abbr title="Modifică acest format">m</abbr></a></li></ul></div></td></tr></tbody></table> <p><b>Energia potențială</b> este <a href="/wiki/Energie" title="Energie">energia</a> unui <a href="/wiki/Sistem_fizic" title="Sistem fizic">sistem fizic</a>, dependentă numai de poziția sau configurația diferitelor părți ale sistemului. Acest potențial poate fi convertit în orice altă formă de energie, de exemplu în <a href="/wiki/Energie_cinetic%C4%83" title="Energie cinetică">energie cinetică</a> și poate efectua <a href="/wiki/Lucru_mecanic" title="Lucru mecanic">lucru mecanic</a> într-un proces.<sup id="cite_ref-LTR_1-0" class="reference"><a href="#cite_note-LTR-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Unitatea de măsură a energiei potențiale în <a href="/wiki/SI" class="mw-disambig" title="SI">SI</a> este <a href="/wiki/Joule" title="Joule">Joule</a> (simbol J). </p><p>Energia potențială este energie de poziție sau energie de configurație. Energia potențială a unui corp apare când acesta interacționează cu alte obiecte din jurul său prin <a href="/wiki/Gravita%C8%9Bie" title="Gravitație">gravitație</a>, <a href="/wiki/Leg%C4%83tur%C4%83_chimic%C4%83" title="Legătură chimică">legături chimice</a> sau forțe electrice. Un obiect cu energie potențială are capacitatea de a efectua <a href="/wiki/Lucru_mecanic" title="Lucru mecanic">lucru mecanic</a>.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> Termenul energie potențială a fost introdus în secolul al 19-lea de inginerul și fizicianul scoțian <a href="/wiki/William_John_Macquorn_Rankine" title="William John Macquorn Rankine">William Rankine</a>.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup class="noprint Template-Fact"><span title="Această afirmație trebuie referențiată din surse secundare de încredere." style="white-space: nowrap;">[<i><a href="/wiki/Wikipedia:FCO" class="mw-redirect" title="Wikipedia:FCO">sursă primară</a></i>]</span></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Exemple_de_energie_potențială"><span id="Exemple_de_energie_poten.C8.9Bial.C4.83"></span>Exemple de energie potențială</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Energie_poten%C8%9Bial%C4%83&veaction=edit&section=1" title="Modifică secțiunea: Exemple de energie potențială" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Energie_poten%C8%9Bial%C4%83&action=edit&section=1" title="Edit section's source code: Exemple de energie potențială"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>energia dintre două mase care se atrag gravitațional <sup id="cite_ref-LTR_1-1" class="reference"><a href="#cite_note-LTR-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> sau energia potențială a unei coloane de <a href="/wiki/Fluid" title="Fluid">fluid</a> datorată gravitației;</li> <li>energia de poziție într-un câmp de forțe inerțial (de exemplu <a href="/wiki/For%C8%9B%C4%83_centrifug%C4%83" class="mw-redirect" title="Forță centrifugă">forțe centrifuge</a>);</li> <li><a href="/wiki/Energie_elastic%C4%83" title="Energie elastică">energia de deformare elastică</a>;</li> <li><a href="/wiki/Energia_poten%C8%9Bial%C4%83_electrostatic%C4%83" title="Energia potențială electrostatică">energia unui câmp electrostatic</a>;<sup id="cite_ref-LTR_1-2" class="reference"><a href="#cite_note-LTR-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></li> <li>energia unui <a href="/wiki/C%C3%A2mp_magnetic" title="Câmp magnetic">câmp magnetic</a> <a href="/wiki/Magnetostatic%C4%83" title="Magnetostatică">magnetostatic</a>;</li> <li><a href="/wiki/Energie_chimic%C4%83" title="Energie chimică">energia chimică</a> - de legătură a <a href="/wiki/Electron" title="Electron">electronilor</a> (de valență) în atomi și legături chimice;</li> <li>energia de legătură a nucleelor atomice</li> <li><span class="citationNeeded skin-invert"><a href="/wiki/Energie_poten%C8%9Bial%C4%83_osmotic%C4%83" title="Energie potențială osmotică">energia osmotică</a>.</span><sup class="noprint"><span style="color:red;">[<a href="/wiki/Wikipedia:Citarea_surselor" title="Wikipedia:Citarea surselor"><i>necesită citare</i></a>]</span></sup><style data-mw-deduplicate="TemplateStyles:r16584850">.mw-parser-output .citationNeeded{background-color:#ffeaea;color:#444444}</style></li></ul> <div class="mw-heading mw-heading3"><h3 id="Energia_potențială_gravitațională"><span id="Energia_poten.C8.9Bial.C4.83_gravita.C8.9Bional.C4.83"></span>Energia potențială gravitațională</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Energie_poten%C8%9Bial%C4%83&veaction=edit&section=2" title="Modifică secțiunea: Energia potențială gravitațională" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Energie_poten%C8%9Bial%C4%83&action=edit&section=2" title="Edit section's source code: Energia potențială gravitațională"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Formula energiei potențiale gravitaționale este: </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_{p}=G\centerdot h=m\cdot g\cdot h}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>E</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>p</mi> </mrow> </msub> <mo>=</mo> <mi>G</mi> <mo class="MJX-variant">⋅</mo> <mi>h</mi> <mo>=</mo> <mi>m</mi> <mo>⋅</mo> <mi>g</mi> <mo>⋅</mo> <mi>h</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle E_{p}=G\centerdot h=m\cdot g\cdot h}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/ec771da3f8e92b0ef9fefe776981493c15cfdb6a" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:21.67ex; height:2.843ex;" alt="{\displaystyle E_{p}=G\centerdot h=m\cdot g\cdot h}"></span></dd></dl> <p>unde </p> <dl><dd>m - masa corpului</dd> <dd>g - accelerația gravitațională</dd> <dd>h - înălțimea față de nivelul de referință considerat 0</dd></dl> <div class="mw-heading mw-heading2"><h2 id="Teorema_de_variație_a_energiei_într-un_sistem_conservativ"><span id="Teorema_de_varia.C8.9Bie_a_energiei_.C3.AEntr-un_sistem_conservativ"></span>Teorema de variație a energiei într-un sistem conservativ</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Energie_poten%C8%9Bial%C4%83&veaction=edit&section=3" title="Modifică secțiunea: Teorema de variație a energiei într-un sistem conservativ" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Energie_poten%C8%9Bial%C4%83&action=edit&section=3" title="Edit section's source code: Teorema de variație a energiei într-un sistem conservativ"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Variația energiei potențiale a unui corp este egală cu opusul <a href="/wiki/Lucru_mecanic" title="Lucru mecanic">lucrului mecanic</a> efectuat de rezultanta forțelor conservative care acționează asupra corpului respectiv, în mișcarea respectivă.<sup id="cite_ref-EP_5-0" class="reference"><a href="#cite_note-EP-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p><p>Lucrul mecanic al forțelor conservative este:<sup id="cite_ref-EP_5-1" class="reference"><a href="#cite_note-EP-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </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 L_{Fc}=-\Delta E_{p}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>L</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>F</mi> <mi>c</mi> </mrow> </msub> <mo>=</mo> <mo>−</mo> <mi mathvariant="normal">Δ</mi> <msub> <mi>E</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>p</mi> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle L_{Fc}=-\Delta E_{p}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/565dd3fb4e494ebac3affb5e05a825c5284ffd26" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:13.375ex; height:2.843ex;" alt="{\displaystyle L_{Fc}=-\Delta E_{p}}"></span></dd></dl> <p>unde <span class="texhtml mvar" style="font-style:italic;">E<sub>p</sub></span> este energia potențială. </p> <div class="mw-heading mw-heading2"><h2 id="Bariera_de_potențial"><span id="Bariera_de_poten.C8.9Bial"></span>Bariera de potențial</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Energie_poten%C8%9Bial%C4%83&veaction=edit&section=4" title="Modifică secțiunea: Bariera de potențial" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Energie_poten%C8%9Bial%C4%83&action=edit&section=4" title="Edit section's source code: Bariera de potențial"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Fi%C8%99ier:Potential_barrier.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/cc/Potential_barrier.png/250px-Potential_barrier.png" decoding="async" width="250" height="181" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/cc/Potential_barrier.png/375px-Potential_barrier.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/cc/Potential_barrier.png/500px-Potential_barrier.png 2x" data-file-width="891" data-file-height="644" /></a><figcaption>Barieră de potențial</figcaption></figure> <p><i>Bariera de potențial</i> este un domeniu de separație între alte două domenii în care energia potențială a unei particule este mai mare decât cea corespunzătoare domeniilor laterale. </p><p>În particular, această situație se întâlnește în jurul <a href="/wiki/Nucleu" class="mw-disambig" title="Nucleu">nucleelor</a> atomice în care, pentru distanțe r < R<sub>0</sub>, forțele nucleare de atracție creează un potențial negativ, iar pentru r > R<sub>0</sub>, acționează <a href="/wiki/Legea_lui_Coulomb" title="Legea lui Coulomb">forțele coulombiene</a> de respingere pentru orice particulă încărcată pozitiv. </p><p>În concepția <a href="/wiki/Mecanic%C4%83_clasic%C4%83" title="Mecanică clasică">clasică</a>, dacă <a href="/wiki/Energie" title="Energie">energia</a> <i>E</i> a unei particule este mai mică decât înălțimea U<sub>max</sub> a barierei de potențial, ea nu o poate străbate căci <a href="/wiki/Impuls" title="Impuls">impulsul</a> acesteia în interiorul barierei ar avea o valoare <a href="/wiki/Num%C4%83r_imaginar" title="Număr imaginar">imaginară</a>. Într-adevăr: </p> <dl><dd><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\equiv T+U_{max}={\frac {p^{2}}{2m}}+U_{max},}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>E</mi> <mo>≡</mo> <mi>T</mi> <mo>+</mo> <msub> <mi>U</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>m</mi> <mi>a</mi> <mi>x</mi> </mrow> </msub> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <msup> <mi>p</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <mrow> <mn>2</mn> <mi>m</mi> </mrow> </mfrac> </mrow> <mo>+</mo> <msub> <mi>U</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>m</mi> <mi>a</mi> <mi>x</mi> </mrow> </msub> <mo>,</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle E\equiv T+U_{max}={\frac {p^{2}}{2m}}+U_{max},}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f49096f2310aacd3fa5ef45c8e0b7bd221ba9a33" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.838ex; width:30.12ex; height:5.676ex;" alt="{\displaystyle E\equiv T+U_{max}={\frac {p^{2}}{2m}}+U_{max},}"></span></dd></dl></dd></dl> <p>de unde: </p> <dl><dd><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 p={\sqrt {2m(E-U_{max})}};}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>p</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <msqrt> <mn>2</mn> <mi>m</mi> <mo stretchy="false">(</mo> <mi>E</mi> <mo>−</mo> <msub> <mi>U</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>m</mi> <mi>a</mi> <mi>x</mi> </mrow> </msub> <mo stretchy="false">)</mo> </msqrt> </mrow> <mo>;</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle p={\sqrt {2m(E-U_{max})}};}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/5d9f32a81fe2cbda25851e498ffc5993cc1c612c" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.838ex; margin-left: -0.089ex; width:22.028ex; height:4.843ex;" alt="{\displaystyle p={\sqrt {2m(E-U_{max})}};}"></span></dd></dl></dd></dl> <p>deci pentru E < U<sub>max</sub>, <i>p</i> este imaginar. </p><p>În <a href="/wiki/Mecanica_cuantic%C4%83" class="mw-redirect" title="Mecanica cuantică">mecanica cuantică</a> există o <a href="/wiki/Probabilitate" title="Probabilitate">probabilitate</a> diferită de zero ca o microparticulă să treacă prin bariera de potențial, chiar dacă <a href="/wiki/Energie" title="Energie">energia</a> acesteia este mai mică decât înălțimea barierei (<a href="/wiki/Efect_tunel" class="mw-redirect" title="Efect tunel">Efect tunel</a>). </p> <div class="mw-heading mw-heading2"><h2 id="Note">Note</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Energie_poten%C8%9Bial%C4%83&veaction=edit&section=5" title="Modifică secțiunea: Note" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Energie_poten%C8%9Bial%C4%83&action=edit&section=5" title="Edit section's source code: Note"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-LTR-1">^ <a href="#cite_ref-LTR_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-LTR_1-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-LTR_1-2"><sup><i><b>c</b></i></sup></a> <span class="reference-text">Remus Răduleț și colab. <i><a href="/wiki/Lexiconul_Tehnic_Rom%C3%A2n" title="Lexiconul Tehnic Român">Lexiconul Tehnic Român</a></i>, București: Editura Tehnică, 1957-1967.</span> </li> <li id="cite_note-2"><b><a href="#cite_ref-2">^</a></b> <span class="reference-text">Richard P. McCall, Physics of the Human Body, JHU Press, p. 74</span> </li> <li id="cite_note-3"><b><a href="#cite_ref-3">^</a></b> <span class="reference-text">Roche, John, <i>What is</i> <i>potential energy</i>?, European Journal of Physics, vol.24, nr. 2, pp. 185-196</span> </li> <li id="cite_note-4"><b><a href="#cite_ref-4">^</a></b> <span class="reference-text">William John Macquorn Rankine (1853) "On the general law of the transformation of energy", Proceedings of the Philosophical Society of Glasgow, vol. 3, no. 5, pages 276–280; reprinted in: (1) Philosophical Magazine, series 4, vol. 5, no. 30, pp. 106–117 (February 1853); and (2) W. J. Millar, ed., Miscellaneous Scientific Papers: by W. J. Macquorn Rankine, ... (London, England: Charles Griffin and Co., 1881), part II, pp. 203–208.</span> </li> <li id="cite_note-EP-5">^ <a href="#cite_ref-EP_5-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-EP_5-1"><sup><i><b>b</b></i></sup></a> <span class="reference-text">Emil Petrescu, <a rel="nofollow" class="external text" href="http://www.physics.pub.ro/Cursuri/Fizica_1_(2017)/C_01.pdf"><i>Fizică</i></a> (curs) <a href="/wiki/Universitatea_Politehnica_din_Bucure%C8%99ti" title="Universitatea Politehnica din București">Universitatea Politehnica din București</a>, 2017, p. 9, accesat 2024-05-04</span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Surse_bibliografice">Surse bibliografice</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Energie_poten%C8%9Bial%C4%83&veaction=edit&section=6" title="Modifică secțiunea: Surse bibliografice" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Energie_poten%C8%9Bial%C4%83&action=edit&section=6" title="Edit section's source code: Surse bibliografice"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Vasile Tutovan, <i>Electricitate și magnetism</i>, vol I, Editura Tehnică, 1984</li> <li><a href="/wiki/%C8%98erban_%C8%9Ai%C8%9Beica" title="Șerban Țițeica">Șerban Țițeica</a>: <i>Termodinamica</i>, Editura Academiei Republicii Socialiste România, București, 1982.</li> <li>F. Sears, M. Zemansky, H. Young, <i>Fizică (University Physics 5th Edition)</i>, EDP, București, 1983</li></ul> <div class="noprint tright portal" style="border:solid #aaa 1px; margin:0.5em 0 0.5em 0.5em;"> <table style="background:var(--background-color-interactive-subtle, #f9f9f9); color:inherit; font-size:85%; line-height:110%; max-width:175px;"> <tbody><tr> <td style="text-align: center;"><span typeof="mw:File"><a href="/wiki/Fi%C8%99ier:Stylised_atom_with_three_Bohr_model_orbits_and_stylised_nucleus.svg" class="mw-file-description"><img alt="Portal icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Stylised_atom_with_three_Bohr_model_orbits_and_stylised_nucleus.svg/25px-Stylised_atom_with_three_Bohr_model_orbits_and_stylised_nucleus.svg.png" decoding="async" width="25" height="28" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Stylised_atom_with_three_Bohr_model_orbits_and_stylised_nucleus.svg/37px-Stylised_atom_with_three_Bohr_model_orbits_and_stylised_nucleus.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Stylised_atom_with_three_Bohr_model_orbits_and_stylised_nucleus.svg/49px-Stylised_atom_with_three_Bohr_model_orbits_and_stylised_nucleus.svg.png 2x" data-file-width="530" data-file-height="600" /></a></span> </td> <td style="padding: 0 0.2em; vertical-align: middle; font-style: italic; font-weight: bold"><b><a href="/wiki/Portal:Fizic%C4%83" title="Portal:Fizică">Portal Fizică </a></b> </td></tr> <tr valign="middle"> <td style="text-align: center;"><span typeof="mw:File"><a href="/wiki/Fi%C8%99ier:Crystal_128_energy.png" class="mw-file-description"><img alt="Portal icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/Crystal_128_energy.png/28px-Crystal_128_energy.png" decoding="async" width="28" height="28" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/Crystal_128_energy.png/42px-Crystal_128_energy.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f6/Crystal_128_energy.png/56px-Crystal_128_energy.png 2x" data-file-width="128" data-file-height="128" /></a></span> </td> <td style="padding: 0 0.2em; vertical-align: middle; font-style: italic; font-weight: bold"><b><a href="/wiki/Portal:Energie" title="Portal:Energie">Portal Energie </a></b> </td></tr> </tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1&useformat=desktop" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Adus de la <a dir="ltr" href="https://ro.wikipedia.org/w/index.php?title=Energie_potențială&oldid=16498630">https://ro.wikipedia.org/w/index.php?title=Energie_potențială&oldid=16498630</a></div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Special:Categorii" title="Special:Categorii">Categorii</a>: <ul><li><a href="/wiki/Categorie:Fizic%C4%83" title="Categorie:Fizică">Fizică</a></li><li><a href="/wiki/Categorie:Energie" title="Categorie:Energie">Energie</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Categorii ascunse: <ul><li><a href="/wiki/Categorie:Articole_cu_suport_bibliografic_necorespunz%C4%83tor" title="Categorie:Articole cu suport bibliografic necorespunzător">Articole cu suport bibliografic necorespunzător</a></li><li><a href="/wiki/Categorie:Articole_care_necesit%C4%83_cit%C4%83ri_suplimentare" title="Categorie:Articole care necesită citări suplimentare">Articole care necesită citări suplimentare</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Ultima editare a paginii a fost efectuată la 25 septembrie 2024, ora 20:18.</li> <li id="footer-info-copyright">Acest text este disponibil sub licența <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.ro">Creative Commons cu atribuire și distribuire în condiții identice</a>; pot exista și clauze suplimentare. 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