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class="vector-toc-numb">1.2.1</span> <span>Vitesse constante</span> </div> </a> <ul id="toc-Vitesse_constante-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Accélération" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Accélération"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.3</span> <span>Accélération</span> </div> </a> <ul id="toc-Accélération-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Forces_et_mouvement_rectiligne" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Forces_et_mouvement_rectiligne"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Forces et mouvement rectiligne</span> </div> </a> <button aria-controls="toc-Forces_et_mouvement_rectiligne-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>Afficher / masquer la sous-section Forces et mouvement rectiligne</span> </button> <ul id="toc-Forces_et_mouvement_rectiligne-sublist" class="vector-toc-list"> <li id="toc-Mouvement_rectiligne_uniforme" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Mouvement_rectiligne_uniforme"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Mouvement rectiligne uniforme</span> </div> </a> <ul id="toc-Mouvement_rectiligne_uniforme-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Mouvement_rectiligne_non_uniforme" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Mouvement_rectiligne_non_uniforme"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>Mouvement rectiligne non uniforme</span> </div> </a> <ul id="toc-Mouvement_rectiligne_non_uniforme-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Génie_industriel" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Génie_industriel"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Génie industriel</span> </div> </a> <ul id="toc-Génie_industriel-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Propagation_de_la_lumière" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Propagation_de_la_lumière"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Propagation de la lumière</span> </div> </a> <ul id="toc-Propagation_de_la_lumière-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Références" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Références"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Références</span> </div> </a> <ul id="toc-Références-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="Sommaire" 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="Basculer la table des matières" > <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">Basculer la table des matières</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">Mouvement rectiligne</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="Aller à un article dans une autre langue. Disponible en 31 langues." > <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-31" 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">31 langues</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%AD%D8%B1%D9%83%D8%A9_%D8%AE%D8%B7%D9%8A%D8%A9" title="حركة خطية – arabe" lang="ar" hreflang="ar" data-title="حركة خطية" data-language-autonym="العربية" data-language-local-name="arabe" 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%9F%D1%80%D0%B0%D0%BC%D0%B0%D0%BB%D1%96%D0%BD%D0%B5%D0%B9%D0%BD%D1%8B_%D1%80%D1%83%D1%85" title="Прамалінейны рух – biélorusse" lang="be" hreflang="be" data-title="Прамалінейны рух" data-language-autonym="Беларуская" data-language-local-name="biélorusse" 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%B0%E0%A7%88%E0%A6%96%E0%A6%BF%E0%A6%95_%E0%A6%97%E0%A6%A4%E0%A6%BF" title="রৈখিক গতি – bengali" lang="bn" hreflang="bn" data-title="রৈখিক গতি" data-language-autonym="বাংলা" data-language-local-name="bengali" 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/Jednoliko_kretanje_po_pravcu" title="Jednoliko kretanje po pravcu – bosniaque" lang="bs" hreflang="bs" data-title="Jednoliko kretanje po pravcu" data-language-autonym="Bosanski" data-language-local-name="bosniaque" 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/Moviment_rectilini" title="Moviment rectilini – catalan" lang="ca" hreflang="ca" data-title="Moviment rectilini" data-language-autonym="Català" data-language-local-name="catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D8%AC%D9%88%D9%88%DA%B5%DB%95%DB%8C_%DA%95%D8%A7%D8%B3%D8%AA%DB%95%D9%88%DA%95%D8%A7%D8%B3%D8%AA" title="جووڵەی ڕاستەوڕاست – sorani" lang="ckb" hreflang="ckb" data-title="جووڵەی ڕاستەوڕاست" data-language-autonym="کوردی" data-language-local-name="sorani" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/P%C5%99%C3%ADmo%C4%8Dar%C3%BD_pohyb" title="Přímočarý pohyb – tchèque" lang="cs" hreflang="cs" data-title="Přímočarý pohyb" data-language-autonym="Čeština" data-language-local-name="tchèque" 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%A2%D3%B3%D1%80%C4%95_%D0%BA%D1%83%C3%A7%C4%83%D0%BC" title="Тӳрĕ куçăм – tchouvache" lang="cv" hreflang="cv" data-title="Тӳрĕ куçăм" data-language-autonym="Чӑвашла" data-language-local-name="tchouvache" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Linear_motion" title="Linear motion – anglais" lang="en" hreflang="en" data-title="Linear motion" data-language-autonym="English" data-language-local-name="anglais" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Movimiento_rectil%C3%ADneo" title="Movimiento rectilíneo – espagnol" lang="es" hreflang="es" data-title="Movimiento rectilíneo" data-language-autonym="Español" data-language-local-name="espagnol" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Higidura_zuzen" title="Higidura zuzen – basque" lang="eu" hreflang="eu" data-title="Higidura zuzen" data-language-autonym="Euskara" data-language-local-name="basque" 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%AD%D8%B1%DA%A9%D8%AA_%D8%AE%D8%B7%DB%8C" title="حرکت خطی – persan" lang="fa" hreflang="fa" data-title="حرکت خطی" data-language-autonym="فارسی" data-language-local-name="persan" 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/Suoraviivainen_liike" title="Suoraviivainen liike – finnois" lang="fi" hreflang="fi" data-title="Suoraviivainen liike" data-language-autonym="Suomi" data-language-local-name="finnois" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%B0%E0%A5%88%E0%A4%96%E0%A4%BF%E0%A4%95_%E0%A4%97%E0%A4%A4%E0%A4%BF" title="रैखिक गति – hindi" lang="hi" hreflang="hi" data-title="रैखिक गति" 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/Translacija" title="Translacija – croate" lang="hr" hreflang="hr" data-title="Translacija" data-language-autonym="Hrvatski" data-language-local-name="croate" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Gerak_lurus" title="Gerak lurus – indonésien" lang="id" hreflang="id" data-title="Gerak lurus" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonésien" 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/Moto_rettilineo" title="Moto rettilineo – italien" lang="it" hreflang="it" data-title="Moto rettilineo" data-language-autonym="Italiano" data-language-local-name="italien" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%B0%E0%A9%87%E0%A8%96%E0%A8%BF%E0%A8%95_%E0%A8%97%E0%A8%A4%E0%A9%80" title="ਰੇਖਿਕ ਗਤੀ – pendjabi" lang="pa" hreflang="pa" data-title="ਰੇਖਿਕ ਗਤੀ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="pendjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Movimento_retil%C3%ADneo" title="Movimento retilíneo – portugais" lang="pt" hreflang="pt" data-title="Movimento retilíneo" data-language-autonym="Português" data-language-local-name="portugais" 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/Mi%C8%99care_rectilinie" title="Mișcare rectilinie – roumain" lang="ro" hreflang="ro" data-title="Mișcare rectilinie" data-language-autonym="Română" data-language-local-name="roumain" 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%9F%D1%80%D1%8F%D0%BC%D0%BE%D0%BB%D0%B8%D0%BD%D0%B5%D0%B9%D0%BD%D0%BE%D0%B5_%D0%B4%D0%B2%D0%B8%D0%B6%D0%B5%D0%BD%D0%B8%D0%B5" title="Прямолинейное движение – russe" lang="ru" hreflang="ru" data-title="Прямолинейное движение" data-language-autonym="Русский" data-language-local-name="russe" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sc mw-list-item"><a href="https://sc.wikipedia.org/wiki/Movimentu_in_caminu_deretu" title="Movimentu in caminu deretu – sarde" lang="sc" hreflang="sc" data-title="Movimentu in caminu deretu" data-language-autonym="Sardu" data-language-local-name="sarde" class="interlanguage-link-target"><span>Sardu</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Pravolinijsko_kretanje" title="Pravolinijsko kretanje – serbo-croate" lang="sh" hreflang="sh" data-title="Pravolinijsko kretanje" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbo-croate" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Priamo%C4%8Diary_pohyb" title="Priamočiary pohyb – slovaque" lang="sk" hreflang="sk" data-title="Priamočiary pohyb" data-language-autonym="Slovenčina" data-language-local-name="slovaque" 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/Premo_gibanje" title="Premo gibanje – slovène" lang="sl" hreflang="sl" data-title="Premo gibanje" data-language-autonym="Slovenščina" data-language-local-name="slovène" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/L%C3%ABvizja_drejtvizore_e_nj%C3%ABtrajtshme" title="Lëvizja drejtvizore e njëtrajtshme – albanais" lang="sq" hreflang="sq" data-title="Lëvizja drejtvizore e njëtrajtshme" data-language-autonym="Shqip" data-language-local-name="albanais" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Do%C4%9Frusal_hareket" title="Doğrusal hareket – turc" lang="tr" hreflang="tr" data-title="Doğrusal hareket" data-language-autonym="Türkçe" data-language-local-name="turc" 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%9F%D1%80%D1%8F%D0%BC%D0%BE%D0%BB%D1%96%D0%BD%D1%96%D0%B9%D0%BD%D0%B8%D0%B9_%D1%80%D1%83%D1%85" title="Прямолінійний рух – ukrainien" lang="uk" hreflang="uk" data-title="Прямолінійний рух" data-language-autonym="Українська" data-language-local-name="ukrainien" 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/To%27g%27ri_chiziqli_harakat" title="To'g'ri chiziqli harakat – ouzbek" lang="uz" hreflang="uz" data-title="To'g'ri chiziqli harakat" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="ouzbek" 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/Chuy%E1%BB%83n_%C4%91%E1%BB%99ng_th%E1%BA%B3ng" title="Chuyển động thẳng – vietnamien" lang="vi" hreflang="vi" data-title="Chuyển động thẳng" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamien" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E7%9B%B4%E7%B7%9A%E9%81%8B%E5%8B%95" title="直線運動 – chinois" lang="zh" hreflang="zh" data-title="直線運動" data-language-autonym="中文" data-language-local-name="chinois" class="interlanguage-link-target"><span>中文</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/Q2035846#sitelinks-wikipedia" title="Modifier les liens interlangues" class="wbc-editpage">Modifier les liens</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="Espaces de noms"> <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/Mouvement_rectiligne" title="Voir le contenu de la page [c]" 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data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Un article de Wikipédia, l'encyclopédie libre.</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="fr" dir="ltr"><p>En <a href="/wiki/Physique" title="Physique">physique</a>, et plus particulièrement en <a href="/wiki/M%C3%A9canique_(science)" title="Mécanique (science)">mécanique</a>, un <b>mouvement rectiligne</b> est un déplacement qui s'effectue le long d'une <a href="/wiki/Ligne_droite" class="mw-redirect" title="Ligne droite">ligne droite</a>. Au cours d'un mouvement rectiligne, le <a href="/wiki/Vecteur_vitesse" title="Vecteur vitesse">vecteur vitesse</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 {\vec {v}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi>v</mi> <mo stretchy="false">→</mo> </mover> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\vec {v}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/85820588abd7333ef4d0c56539cb31c20e730753" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.175ex; height:2.343ex;" alt="{\displaystyle {\vec {v}}}"></span> conserve sa direction, sa valeur pouvant rester constante (mouvement rectiligne uniforme) ou bien varier (mouvement rectiligne non uniforme) . </p><p>Dans le cas théorique du mouvement d'un objet ponctuel, le mouvement peut être entièrement décrit par une <a href="/wiki/%C3%89quation" title="Équation">équation</a> à une seule dimension typiquement x=f(t) où x est la position du système et t le temps. Dans le cas concret d'un objet non ponctuel, on ramène souvent l'étude du système à celle de son <a href="/wiki/Centre_d%27inertie" title="Centre d'inertie">centre d'inertie</a>, négligeant dans ce cas, tous les effets des rotations éventuelles de l'objet. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Cinématique_du_point"><span id="Cin.C3.A9matique_du_point"></span>Cinématique du point</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mouvement_rectiligne&veaction=edit&section=1" title="Modifier la section : Cinématique du point" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mouvement_rectiligne&action=edit&section=1" title="Modifier le code source de la section : Cinématique du point"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="bandeau-container bandeau-section metadata bandeau-niveau-information"><div class="bandeau-cell bandeau-icone-css loupe">Article détaillé : <a href="/wiki/Cin%C3%A9matique#Mouvement_rectiligne" title="Cinématique">Cinématique#Mouvement rectiligne</a>.</div></div> <p>En considérant un point M en mouvement rectiligne le long d'un axe <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="{\textstyle (\mathrm {O} ,{\vec {i}})}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="false" scriptlevel="0"> <mo stretchy="false">(</mo> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">O</mi> </mrow> <mo>,</mo> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi>i</mi> <mo stretchy="false">→</mo> </mover> </mrow> </mrow> <mo stretchy="false">)</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\textstyle (\mathrm {O} ,{\vec {i}})}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/727ba33af88f504053a42d9afdb10e9d96cf15a4" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:5.745ex; height:3.343ex;" alt="{\textstyle (\mathrm {O} ,{\vec {i}})}"></span>, <i>M</i> est repéré par son abscisse <i>x</i>(<i>t</i>) : <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="{\overrightarrow {\textstyle {OM}}}=x(t)\,{\vec {i}}"> <semantics> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mover> <mstyle displaystyle="false" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mi>O</mi> <mi>M</mi> </mrow> </mstyle> <mo>→</mo> </mover> </mrow> <mo>=</mo> <mi>x</mi> <mo stretchy="false">(</mo> <mi>t</mi> <mo stretchy="false">)</mo> <mspace width="thinmathspace" /> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi>i</mi> <mo stretchy="false">→</mo> </mover> </mrow> </mrow> </mrow> <annotation encoding="application/x-tex">{\overrightarrow {\textstyle {OM}}}=x(t)\,{\vec {i}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/56e6ac63ade22b318e753a68285b0302ddf2d30d" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; margin-top: -0.4ex; width:13.026ex; height:4.343ex;" alt="{\overrightarrow {\textstyle {OM}}}=x(t)\,{\vec {i}}"></span> </p> <div class="mw-heading mw-heading3"><h3 id="Déplacement_du_système"><span id="D.C3.A9placement_du_syst.C3.A8me"></span>Déplacement du système</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mouvement_rectiligne&veaction=edit&section=2" title="Modifier la section : Déplacement du système" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mouvement_rectiligne&action=edit&section=2" title="Modifier le code source de la section : Déplacement du système"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Le déplacement est la distance parcourue à la vitesse v par le système durant une durée Δ<i>t</i>. Son unité est le mètre (m) dans le Système international d'unités. Lorsque le système passe d'une position <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="{\textstyle M_{1}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="false" scriptlevel="0"> <msub> <mi>M</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\textstyle M_{1}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/30549b4c6438846a6b557a5fe0f9a3b7fb6bb446" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:3.308ex; height:2.509ex;" alt="{\textstyle M_{1}}"></span> à la position <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="{\textstyle M_{2}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="false" scriptlevel="0"> <msub> <mi>M</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\textstyle M_{2}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e1b118b922fa4b836a24ac7bf34fa35da2fb5978" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:3.308ex; height:2.509ex;" alt="{\textstyle M_{2}}"></span>, son déplacement est égal à <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="{\textstyle x_{2}-x_{1}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="false" scriptlevel="0"> <msub> <mi>x</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>−</mo> <msub> <mi>x</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\textstyle x_{2}-x_{1}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/04ae95c4ed08fba9e62a26d99b19c50ab99432fa" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:7.608ex; height:2.343ex;" alt="{\textstyle x_{2}-x_{1}}"></span>. </p> <div class="mw-heading mw-heading3"><h3 id="Vitesse">Vitesse</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mouvement_rectiligne&veaction=edit&section=3" title="Modifier la section : Vitesse" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mouvement_rectiligne&action=edit&section=3" title="Modifier le code source de la section : Vitesse"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>La vitesse d'un point M est la dérivée du vecteur position <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="{\textstyle {\overrightarrow {OM}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="false" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mrow> <mi>O</mi> <mi>M</mi> </mrow> <mo>→</mo> </mover> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\textstyle {\overrightarrow {OM}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/3bbccb786033eae1b13888a1e7a8256d0f74a380" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; margin-top: -0.4ex; width:4.468ex; height:3.843ex;" alt="{\textstyle {\overrightarrow {OM}}}"></span> par rapport au temps <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="{\textstyle {\vec {v}}={\frac {\mathrm {d} {\overrightarrow {\textstyle {OM}}}}{\mathrm {d} t}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="false" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi>v</mi> <mo stretchy="false">→</mo> </mover> </mrow> </mrow> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">d</mi> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mover> <mstyle displaystyle="false" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mi>O</mi> <mi>M</mi> </mrow> </mstyle> <mo>→</mo> </mover> </mrow> </mrow> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">d</mi> </mrow> <mi>t</mi> </mrow> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\textstyle {\vec {v}}={\frac {\mathrm {d} {\overrightarrow {\textstyle {OM}}}}{\mathrm {d} t}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/39cfd64411c4ff01677fdfefd22f5e16eb2e6e57" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.338ex; margin-top: -0.337ex; width:10.454ex; height:5.509ex;" alt="{\textstyle {\vec {v}}={\frac {\mathrm {d} {\overrightarrow {\textstyle {OM}}}}{\mathrm {d} t}}}"></span><sup id="cite_ref-:0_1-0" class="reference"><a href="#cite_note-:0-1"><span class="cite_crochet">[</span>1<span class="cite_crochet">]</span></a></sup><sup class="reference cite_virgule">,</sup><sup id="cite_ref-:1_2-0" class="reference"><a href="#cite_note-:1-2"><span class="cite_crochet">[</span>2<span class="cite_crochet">]</span></a></sup>. </p><p>Dans le cas d'un mouvement rectiligne, <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="{\textstyle {\overrightarrow {\textstyle {OM}}}=x(t)\,{\vec {i}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="false" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mstyle displaystyle="false" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mi>O</mi> <mi>M</mi> </mrow> </mstyle> <mo>→</mo> </mover> </mrow> <mo>=</mo> <mi>x</mi> <mo stretchy="false">(</mo> <mi>t</mi> <mo stretchy="false">)</mo> <mspace width="thinmathspace" /> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi>i</mi> <mo stretchy="false">→</mo> </mover> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\textstyle {\overrightarrow {\textstyle {OM}}}=x(t)\,{\vec {i}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/bd804804e5f1cef3f230baaf5e231b28446628b5" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; margin-top: -0.4ex; width:13.026ex; height:4.343ex;" alt="{\textstyle {\overrightarrow {\textstyle {OM}}}=x(t)\,{\vec {i}}}"></span>, il vient : </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 {\vec {v}}(t)={\frac {\mathrm {d} x(t)}{\mathrm {d} t}}\,{\vec {i}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi>v</mi> <mo stretchy="false">→</mo> </mover> </mrow> </mrow> <mo stretchy="false">(</mo> <mi>t</mi> <mo stretchy="false">)</mo> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">d</mi> </mrow> <mi>x</mi> <mo stretchy="false">(</mo> <mi>t</mi> <mo stretchy="false">)</mo> </mrow> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">d</mi> </mrow> <mi>t</mi> </mrow> </mfrac> </mrow> <mspace width="thinmathspace" /> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi>i</mi> <mo stretchy="false">→</mo> </mover> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\vec {v}}(t)={\frac {\mathrm {d} x(t)}{\mathrm {d} t}}\,{\vec {i}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/3bc9856981f854c8536a62b9b7d517bcea3e4b0f" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.005ex; width:14.511ex; height:5.843ex;" alt="{\displaystyle {\vec {v}}(t)={\frac {\mathrm {d} x(t)}{\mathrm {d} t}}\,{\vec {i}}}"></span></dd></dl> <p>Ceci implique que la direction de <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="{\textstyle {\vec {v}}(t)}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="false" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi>v</mi> <mo stretchy="false">→</mo> </mover> </mrow> </mrow> <mo stretchy="false">(</mo> <mi>t</mi> <mo stretchy="false">)</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\textstyle {\vec {v}}(t)}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/ddece327bc90aa2a41027a0a4ecd0b0da499346b" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:3.824ex; height:2.843ex;" alt="{\textstyle {\vec {v}}(t)}"></span> est constante et sa valeur vaut <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="{\textstyle v(t)={\frac {\mathrm {d} x(t)}{\mathrm {d} t}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="false" scriptlevel="0"> <mi>v</mi> <mo stretchy="false">(</mo> <mi>t</mi> <mo stretchy="false">)</mo> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">d</mi> </mrow> <mi>x</mi> <mo stretchy="false">(</mo> <mi>t</mi> <mo stretchy="false">)</mo> </mrow> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">d</mi> </mrow> <mi>t</mi> </mrow> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\textstyle v(t)={\frac {\mathrm {d} x(t)}{\mathrm {d} t}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/177117e98e05c3b130816cc418e28b1ec0690db4" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.338ex; width:11.438ex; height:4.343ex;" alt="{\textstyle v(t)={\frac {\mathrm {d} x(t)}{\mathrm {d} t}}}"></span>. </p> <div class="mw-heading mw-heading4"><h4 id="Vitesse_constante">Vitesse constante</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mouvement_rectiligne&veaction=edit&section=4" title="Modifier la section : Vitesse constante" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mouvement_rectiligne&action=edit&section=4" title="Modifier le code source de la section : Vitesse constante"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Si le déplacement se fait à vitesse constante, le mouvement est dit rectiligne uniforme. La vitesse est alors le rapport de la longueur d'un déplacement quelconque à la durée de ce déplacement : </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 v(t)={\frac {x_{2}-x_{1}}{t_{2}-t_{1}}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>v</mi> <mo stretchy="false">(</mo> <mi>t</mi> <mo stretchy="false">)</mo> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <msub> <mi>x</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>−</mo> <msub> <mi>x</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> </mrow> <mrow> <msub> <mi>t</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>−</mo> <msub> <mi>t</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> </mrow> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle v(t)={\frac {x_{2}-x_{1}}{t_{2}-t_{1}}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/79bbfb3609aaa2c40004ddf8e062e82958793580" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.171ex; width:15.319ex; height:5.343ex;" alt="{\displaystyle v(t)={\frac {x_{2}-x_{1}}{t_{2}-t_{1}}}}"></span></dd></dl> <div class="mw-heading mw-heading3"><h3 id="Accélération"><span id="Acc.C3.A9l.C3.A9ration"></span>Accélération</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mouvement_rectiligne&veaction=edit&section=5" title="Modifier la section : Accélération" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mouvement_rectiligne&action=edit&section=5" title="Modifier le code source de la section : Accélération"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>L'accélération d'un point M est la dérivée du vecteur vitesse <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 {v}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi>v</mi> <mo stretchy="false">→</mo> </mover> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\vec {v}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/85820588abd7333ef4d0c56539cb31c20e730753" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.175ex; height:2.343ex;" alt="{\displaystyle {\vec {v}}}"></span> par rapport au temps <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="{\textstyle {\vec {a}}(t)={\frac {\mathrm {d} {\vec {v}}(t)}{\mathrm {d} t}}={\frac {\mathrm {d} v(t)}{\mathrm {d} t}}{\vec {i}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="false" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi>a</mi> <mo stretchy="false">→</mo> </mover> </mrow> </mrow> <mo stretchy="false">(</mo> <mi>t</mi> <mo stretchy="false">)</mo> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">d</mi> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi>v</mi> <mo stretchy="false">→</mo> </mover> </mrow> </mrow> <mo stretchy="false">(</mo> <mi>t</mi> <mo stretchy="false">)</mo> </mrow> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">d</mi> </mrow> <mi>t</mi> </mrow> </mfrac> </mrow> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">d</mi> </mrow> <mi>v</mi> <mo stretchy="false">(</mo> <mi>t</mi> <mo stretchy="false">)</mo> </mrow> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">d</mi> </mrow> <mi>t</mi> </mrow> </mfrac> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi>i</mi> <mo stretchy="false">→</mo> </mover> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\textstyle {\vec {a}}(t)={\frac {\mathrm {d} {\vec {v}}(t)}{\mathrm {d} t}}={\frac {\mathrm {d} v(t)}{\mathrm {d} t}}{\vec {i}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/5eff82c8cb4c2e026f91b74c7aecab8301a0181c" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.338ex; width:20.063ex; height:4.676ex;" alt="{\textstyle {\vec {a}}(t)={\frac {\mathrm {d} {\vec {v}}(t)}{\mathrm {d} t}}={\frac {\mathrm {d} v(t)}{\mathrm {d} t}}{\vec {i}}}"></span><sup id="cite_ref-:0_1-1" class="reference"><a href="#cite_note-:0-1"><span class="cite_crochet">[</span>1<span class="cite_crochet">]</span></a></sup><sup class="reference cite_virgule">,</sup><sup id="cite_ref-:1_2-1" class="reference"><a href="#cite_note-:1-2"><span class="cite_crochet">[</span>2<span class="cite_crochet">]</span></a></sup>. Si le mouvement de M est rectiligne alors la direction du vecteur <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="{\textstyle {\vec {a}}(t)}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="false" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi>a</mi> <mo stretchy="false">→</mo> </mover> </mrow> </mrow> <mo stretchy="false">(</mo> <mi>t</mi> <mo stretchy="false">)</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\textstyle {\vec {a}}(t)}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/845513b8a6ae3a7ae0cf72263f0c3b509266113f" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:3.879ex; height:2.843ex;" alt="{\textstyle {\vec {a}}(t)}"></span> reste constante donc <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="{\textstyle a={\frac {\mathrm {d} v(t)}{\mathrm {d} t}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="false" scriptlevel="0"> <mi>a</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">d</mi> </mrow> <mi>v</mi> <mo stretchy="false">(</mo> <mi>t</mi> <mo stretchy="false">)</mo> </mrow> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">d</mi> </mrow> <mi>t</mi> </mrow> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\textstyle a={\frac {\mathrm {d} v(t)}{\mathrm {d} t}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/bb7468fd2e6ae5d12edeb2497c4e71a9c6cc8890" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.338ex; width:8.749ex; height:4.343ex;" alt="{\textstyle a={\frac {\mathrm {d} v(t)}{\mathrm {d} t}}}"></span>. </p> <div class="mw-heading mw-heading2"><h2 id="Forces_et_mouvement_rectiligne">Forces et mouvement rectiligne</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mouvement_rectiligne&veaction=edit&section=6" title="Modifier la section : Forces et mouvement rectiligne" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mouvement_rectiligne&action=edit&section=6" title="Modifier le code source de la section : Forces et mouvement rectiligne"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Mouvement_rectiligne_uniforme">Mouvement rectiligne uniforme</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mouvement_rectiligne&veaction=edit&section=7" title="Modifier la section : Mouvement rectiligne uniforme" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mouvement_rectiligne&action=edit&section=7" title="Modifier le code source de la section : Mouvement rectiligne uniforme"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>D'après la <a href="/wiki/Lois_du_mouvement_de_Newton" title="Lois du mouvement de Newton">première loi de Newton</a>, s'il n'y a pas de force qui s'exerce sur un corps (corps isolé), ou si la somme des forces s'exerçant sur lui est nulle (corps pseudo-isolé), alors son mouvement dans un <a href="/wiki/R%C3%A9f%C3%A9rentiel_galil%C3%A9en" title="Référentiel galiléen">référentiel galiléen</a> sera à la fois rectiligne (direction constante de la vitesse) et uniforme (valeur de la vitesse constante)<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite_crochet">[</span>3<span class="cite_crochet">]</span></a></sup><sup class="reference cite_virgule">,</sup><sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite_crochet">[</span>4<span class="cite_crochet">]</span></a></sup>. </p> <div class="mw-heading mw-heading3"><h3 id="Mouvement_rectiligne_non_uniforme">Mouvement rectiligne non uniforme</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mouvement_rectiligne&veaction=edit&section=8" title="Modifier la section : Mouvement rectiligne non uniforme" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mouvement_rectiligne&action=edit&section=8" title="Modifier le code source de la section : Mouvement rectiligne non uniforme"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>D'après la <a href="/wiki/Lois_du_mouvement_de_Newton" title="Lois du mouvement de Newton">deuxième loi de Newton</a>, si la masse du corps est constante, l'accélération subie par ce corps dans un référentiel galiléen est proportionnelle à la résultante des forces qu'il subit, et inversement proportionnelle à sa masse m<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite_crochet">[</span>5<span class="cite_crochet">]</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 {\vec {a}}={\frac {1}{m}}\sum {\vec {\mathrm {F} }}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi>a</mi> <mo stretchy="false">→</mo> </mover> </mrow> </mrow> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>1</mn> <mi>m</mi> </mfrac> </mrow> <mo>∑</mo> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">F</mi> </mrow> <mo stretchy="false">→</mo> </mover> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\vec {a}}={\frac {1}{m}}\sum {\vec {\mathrm {F} }}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/86c5f018895fe47b2146b863a17b34eafe7e3e56" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.838ex; width:12.852ex; height:5.176ex;" alt="{\displaystyle {\vec {a}}={\frac {1}{m}}\sum {\vec {\mathrm {F} }}}"></span></dd></dl> <p>Or l'accélération est la dérivée de la vitesse par rapport au temps : </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 {\vec {a}}={\frac {\mathrm {d} {\vec {v}}}{\mathrm {d} t}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi>a</mi> <mo stretchy="false">→</mo> </mover> </mrow> </mrow> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">d</mi> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi>v</mi> <mo stretchy="false">→</mo> </mover> </mrow> </mrow> </mrow> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">d</mi> </mrow> <mi>t</mi> </mrow> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\vec {a}}={\frac {\mathrm {d} {\vec {v}}}{\mathrm {d} t}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/6e24f488b0d843d847112407316cb2375dc7842f" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.005ex; width:7.632ex; height:5.509ex;" alt="{\displaystyle {\vec {a}}={\frac {\mathrm {d} {\vec {v}}}{\mathrm {d} t}}}"></span></dd></dl> <p>donc </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 {\frac {\mathrm {d} {\vec {v}}}{\mathrm {d} t}}={\frac {1}{m}}\sum {\vec {\mathrm {F} }}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">d</mi> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi>v</mi> <mo stretchy="false">→</mo> </mover> </mrow> </mrow> </mrow> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">d</mi> </mrow> <mi>t</mi> </mrow> </mfrac> </mrow> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>1</mn> <mi>m</mi> </mfrac> </mrow> <mo>∑</mo> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="normal">F</mi> </mrow> <mo stretchy="false">→</mo> </mover> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\frac {\mathrm {d} {\vec {v}}}{\mathrm {d} t}}={\frac {1}{m}}\sum {\vec {\mathrm {F} }}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/a1c824ff5e98e4dfb11e50ad8008bcd68dd4eb12" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.005ex; width:14.926ex; height:5.509ex;" alt="{\displaystyle {\frac {\mathrm {d} {\vec {v}}}{\mathrm {d} t}}={\frac {1}{m}}\sum {\vec {\mathrm {F} }}}"></span></dd></dl> <p>La dérivée du vecteur vitesse est colinéaire à la résultante des forces donc si la résultante des forces reste dans la direction de <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 {v}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi>v</mi> <mo stretchy="false">→</mo> </mover> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\vec {v}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/85820588abd7333ef4d0c56539cb31c20e730753" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.175ex; height:2.343ex;" alt="{\displaystyle {\vec {v}}}"></span> alors la direction du vecteur <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 {v}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi>v</mi> <mo stretchy="false">→</mo> </mover> </mrow> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\vec {v}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/85820588abd7333ef4d0c56539cb31c20e730753" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.175ex; height:2.343ex;" alt="{\displaystyle {\vec {v}}}"></span> ne change pas et le mouvement est rectiligne. </p> <div class="mw-heading mw-heading2"><h2 id="Génie_industriel"><span id="G.C3.A9nie_industriel"></span>Génie industriel</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mouvement_rectiligne&veaction=edit&section=9" title="Modifier la section : Génie industriel" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mouvement_rectiligne&action=edit&section=9" title="Modifier le code source de la section : Génie industriel"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="bandeau-container bandeau-section metadata bandeau-niveau-information"><div class="bandeau-cell bandeau-icone"><span class="mw-valign-text-top noviewer" typeof="mw:File"><a href="/wiki/Fichier:Fairytale_warning.png" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/87/Fairytale_warning.png/17px-Fairytale_warning.png" decoding="async" width="17" height="17" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/87/Fairytale_warning.png/26px-Fairytale_warning.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/87/Fairytale_warning.png/34px-Fairytale_warning.png 2x" data-file-width="64" data-file-height="64" /></a></span></div><div class="bandeau-cell">Cette section est vide, insuffisamment détaillée ou incomplète. <a href="/wiki/Sp%C3%A9cial:EditPage/Mouvement_rectiligne" title="Spécial:EditPage/Mouvement rectiligne">Votre aide</a> est la bienvenue ! <a href="/wiki/Aide:Comment_modifier_une_page" title="Aide:Comment modifier une page">Comment faire ?</a></div></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fichier:Peaucellier_linkage_animation.gif" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/d/d6/Peaucellier_linkage_animation.gif" decoding="async" width="200" height="197" class="mw-file-element" data-file-width="200" data-file-height="197" /></a><figcaption><a href="/wiki/Dispositif_de_Peaucellier-Lipkin" title="Dispositif de Peaucellier-Lipkin">Dispositif de Peaucellier-Lipkin</a>:<br />L'extrémité du losange rouge a une trajectoire rigoureusement rectiligne.</figcaption></figure> <p>Dans une machine, on peut obtenir qu'une pièce ait un mouvement rectiligne soit en la faisant coulisser dans une glissière rectiligne, soit en utilisant un <a href="/wiki/M%C3%A9canisme_%C3%A0_d%C3%A9veloppement_rectiligne" title="Mécanisme à développement rectiligne">mécanisme à développement rectiligne</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Propagation_de_la_lumière"><span id="Propagation_de_la_lumi.C3.A8re"></span>Propagation de la lumière</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mouvement_rectiligne&veaction=edit&section=10" title="Modifier la section : Propagation de la lumière" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mouvement_rectiligne&action=edit&section=10" title="Modifier le code source de la section : Propagation de la lumière"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>La <a href="/wiki/Lumi%C3%A8re" title="Lumière">lumière</a> a un mouvement rectiligne (et uniforme) dans tout milieu transparent homogène, en particulier le vide ou l'air très sec. Cette propriété est à la base de l'<a href="/wiki/Optique_g%C3%A9om%C3%A9trique" title="Optique géométrique">optique géométrique</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Références"><span id="R.C3.A9f.C3.A9rences"></span>Références</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Mouvement_rectiligne&veaction=edit&section=11" title="Modifier la section : Références" class="mw-editsection-visualeditor"><span>modifier</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Mouvement_rectiligne&action=edit&section=11" title="Modifier le code source de la section : Références"><span>modifier le code</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="references-small decimal" style=""><div class="mw-references-wrap"><ol class="references"> <li id="cite_note-:0-1"><span class="mw-cite-backlink noprint">↑ <sup><a href="#cite_ref-:0_1-0">a</a> et <a href="#cite_ref-:0_1-1">b</a></sup> </span><span class="reference-text"><span class="ouvrage" id="BertinFarouxRenault1989">Bertin, <span class="nom_auteur">Faroux</span> et <span class="nom_auteur">Renault</span>, <cite class="italique">Mécanique 1 : mécanique classique de systèmes de points et notions de relativité</cite>, Dunod Université, <time>1989</time> <small style="line-height:1em;">(<a href="/wiki/International_Standard_Book_Number" title="International Standard Book Number">ISBN</a> <a href="/wiki/Sp%C3%A9cial:Ouvrages_de_r%C3%A9f%C3%A9rence/2-04-015755-7" title="Spécial:Ouvrages de référence/2-04-015755-7"><span class="nowrap">2-04-015755-7</span></a>)</small><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=M%C3%A9canique+1+%3A+m%C3%A9canique+classique+de+syst%C3%A8mes+de+points+et+notions+de+relativit%C3%A9&rft.pub=Dunod+Universit%C3%A9&rft.au=Bertin&rft.au=Faroux&rft.au=Renault&rft.date=1989&rft.isbn=2-04-015755-7&rfr_id=info%3Asid%2Ffr.wikipedia.org%3AMouvement+rectiligne"></span></span></span> </li> <li id="cite_note-:1-2"><span class="mw-cite-backlink noprint">↑ <sup><a href="#cite_ref-:1_2-0">a</a> et <a href="#cite_ref-:1_2-1">b</a></sup> </span><span class="reference-text"><span class="ouvrage" id="2012"><cite class="italique">TS Physique Chimie Enseignement spécifique</cite>, Paris, Hachette éducation, <time>2012</time>, 623 <abbr class="abbr" title="pages">p.</abbr> <small style="line-height:1em;">(<a href="/wiki/International_Standard_Book_Number" title="International Standard Book Number">ISBN</a> <a href="/wiki/Sp%C3%A9cial:Ouvrages_de_r%C3%A9f%C3%A9rence/978-2-01-135579-9" title="Spécial:Ouvrages de référence/978-2-01-135579-9"><span class="nowrap">978-2-01-135579-9</span></a>)</small>, <abbr class="abbr" title="pages">p.</abbr> <span class="nowrap">136-140</span><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=TS+Physique+Chimie+Enseignement+sp%C3%A9cifique&rft.place=Paris&rft.pub=Hachette+%C3%A9ducation&rft.date=2012&rft.pages=136-140&rft.tpages=623&rft.isbn=978-2-01-135579-9&rfr_id=info%3Asid%2Ffr.wikipedia.org%3AMouvement+rectiligne"></span></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink noprint"><a href="#cite_ref-3">↑</a> </span><span class="reference-text"><span class="ouvrage">« <a rel="nofollow" class="external text" href="http://res-nlp.univ-lemans.fr/NLP_C_M01_G01/co/Contenu%2052.html"><cite style="font-style:normal;">Cinématique du point</cite></a> », sur <span class="italique">univ-lemans.fr</span> <small style="line-height:1em;">(consulté le <time class="nowrap" datetime="2016-03-13" data-sort-value="2016-03-13">13 mars 2016</time>)</small></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink noprint"><a href="#cite_ref-4">↑</a> </span><span class="reference-text"><span class="ouvrage" id="2014"><cite class="italique">Helium 2de Physique-Chimie</cite>, <a href="/wiki/Hatier" title="Hatier">Hatier</a>, <time>2014</time>, 345 <abbr class="abbr" title="pages">p.</abbr> <small style="line-height:1em;">(<a href="/wiki/International_Standard_Book_Number" title="International Standard Book Number">ISBN</a> <a href="/wiki/Sp%C3%A9cial:Ouvrages_de_r%C3%A9f%C3%A9rence/978-2-218-98007-7" title="Spécial:Ouvrages de référence/978-2-218-98007-7"><span class="nowrap">978-2-218-98007-7</span></a>)</small>, <abbr class="abbr" title="page">p.</abbr> 151<span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Helium+2de+Physique-Chimie&rft.pub=Hatier&rft.date=2014&rft.pages=151&rft.tpages=345&rft.isbn=978-2-218-98007-7&rfr_id=info%3Asid%2Ffr.wikipedia.org%3AMouvement+rectiligne"></span></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink noprint"><a href="#cite_ref-5">↑</a> </span><span class="reference-text"><span class="ouvrage" id="2012"><cite class="italique">Physique Chimie Tle S</cite>, Paris, <a href="/wiki/Hatier" title="Hatier">Hatier</a>, <time>2012</time>, 646 <abbr class="abbr" title="pages">p.</abbr> <small style="line-height:1em;">(<a href="/wiki/International_Standard_Book_Number" title="International Standard Book Number">ISBN</a> <a href="/wiki/Sp%C3%A9cial:Ouvrages_de_r%C3%A9f%C3%A9rence/978-2-218-95396-5" title="Spécial:Ouvrages de référence/978-2-218-95396-5"><span class="nowrap">978-2-218-95396-5</span></a>)</small>, <abbr class="abbr" title="page">p.</abbr> 149<span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Physique+Chimie+Tle+S&rft.place=Paris&rft.pub=Hatier&rft.date=2012&rft.pages=149&rft.tpages=646&rft.isbn=978-2-218-95396-5&rfr_id=info%3Asid%2Ffr.wikipedia.org%3AMouvement+rectiligne"></span></span></span> </li> </ol></div> </div> <ul id="bandeau-portail" class="bandeau-portail"><li><span class="bandeau-portail-element"><span class="bandeau-portail-icone"><span class="noviewer" typeof="mw:File"><a href="/wiki/Portail:Physique" title="Portail de la physique"><img alt="icône décorative" src="//upload.wikimedia.org/wikipedia/commons/thumb/2/22/Circle-icons-physics-logo.svg/24px-Circle-icons-physics-logo.svg.png" decoding="async" width="24" height="24" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/22/Circle-icons-physics-logo.svg/36px-Circle-icons-physics-logo.svg.png 1.5x, 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