{"id":45513,"date":"2019-10-18T08:49:53","date_gmt":"2019-10-18T07:49:53","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/quest-ce-que-lenergie-ne-peut-etre-ni-creee-ni-detruite-definition\/"},"modified":"2020-02-25T10:52:51","modified_gmt":"2020-02-25T09:52:51","slug":"quest-ce-que-lenergie-ne-peut-etre-ni-creee-ni-detruite-definition","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-lenergie-ne-peut-etre-ni-creee-ni-detruite-definition\/","title":{"rendered":"Qu&#8217;est-ce que l&#8217;\u00e9nergie ne peut \u00eatre ni cr\u00e9\u00e9e ni d\u00e9truite &#8211; D\u00e9finition"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">L&#8217;\u00e9nergie ne peut \u00eatre ni cr\u00e9\u00e9e ni d\u00e9truite, mais transform\u00e9e en diverses formes.\u00a0Le concept de conservation de l&#8217;\u00e9nergie est largement utilis\u00e9 dans de nombreux domaines.\u00a0G\u00e9nie thermique<\/div>\n<\/div>\n<div class=\"su-divider su-divider-style-dotted\"><\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-spacer\"><\/div>\n<h2>L&#8217;\u00e9nergie ne peut \u00eatre ni cr\u00e9\u00e9e ni d\u00e9truite<\/h2>\n<p>C&#8217;est le\u00a0<a href=\"https:\/\/www.nuclear-power.com\/laws-of-conservation\/law-of-conservation-of-energy\/\">principe de conservation de l&#8217;\u00e9nergie<\/a>\u00a0, ce qui signifie que:<\/p>\n<p><em>L&#8217;\u00e9nergie ne peut\u00a0<strong>\u00eatre ni cr\u00e9\u00e9e ni d\u00e9truite<\/strong>\u00a0, mais transform\u00e9e en diverses formes.<\/em><\/p>\n<p>En thermodynamique, c&#8217;est la loi la plus importante pour l&#8217;analyse de la plupart des syst\u00e8mes et celle qui quantifie la\u00a0transformation de l&#8217;\u00a0<a href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-lenergie-interne-energie-thermique-definition\/\"><strong>\u00e9nergie thermique en<\/strong><\/a>\u00a0d&#8217;autres\u00a0<a title=\"Formes d'\u00e9nergie\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/what-is-energy-physics\/forms-of-energy\/\">formes d&#8217;\u00e9nergie<\/a>\u00a0.\u00a0Il s&#8217;ensuit que les machines \u00e0 mouvement perp\u00e9tuel du premier type sont impossibles.<\/p>\n<figure id=\"attachment_15722\" class=\"wp-caption alignright\" aria-describedby=\"caption-attachment-15722\"><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/conservation-of-energy-pendulum.gif\"><img loading=\"lazy\" class=\"wp-image-15722 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/conservation-of-energy-pendulum.gif\" alt=\"loi de conservation de l'\u00e9nergie - pendule\" width=\"300\" height=\"225\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/conservation-of-energy-pendulum.gif\" \/><\/a><figcaption id=\"caption-attachment-15722\" class=\"wp-caption-text\">Berceau de Newton.\u00a0Un dispositif qui d\u00e9montre la loi de la conservation de l&#8217;\u00e9nergie m\u00e9canique et de la quantit\u00e9 de mouvement.<\/figcaption><\/figure>\n<p><strong>L&#8217;\u00e9nergie<\/strong>\u00a0peut \u00eatre d\u00e9finie comme la\u00a0<strong>capacit\u00e9 de travailler<\/strong>\u00a0.\u00a0Elle peut exister sous diff\u00e9rentes formes et peut \u00eatre\u00a0<strong>transform\u00e9e<\/strong>\u00a0d\u2019un type d\u2019\u00e9nergie \u00e0 un autre de plusieurs fa\u00e7ons.<\/p>\n<p>Par exemple, br\u00fbler de l\u2019essence pour faire fonctionner des voitures est un processus de conversion de l\u2019\u00e9nergie sur lequel nous comptons.\u00a0L&#8217;\u00a0<strong>\u00e9nergie chimique contenue<\/strong>\u00a0dans l&#8217;essence est\u00a0<strong>convertie<\/strong>\u00a0en\u00a0<strong>\u00e9nergie thermique<\/strong>\u00a0, qui est ensuite convertie en\u00a0<strong>\u00e9nergie m\u00e9canique<\/strong>\u00a0qui fait bouger la voiture.\u00a0L&#8217;\u00a0<strong>\u00e9nergie m\u00e9canique<\/strong>\u00a0a \u00e9t\u00e9 convertie en\u00a0<strong>\u00e9nergie cin\u00e9tique<\/strong>\u00a0.\u00a0Lorsque nous utilisons les freins pour arr\u00eater une voiture, cette\u00a0<strong>\u00e9nergie cin\u00e9tique<\/strong>\u00a0est convertie par friction en chaleur, ou en\u00a0<strong>\u00e9nergie thermique<\/strong>\u00a0.<\/p>\n<p>Une cons\u00e9quence de la loi de conservation de l\u2019\u00e9nergie est qu\u2019une machine \u00e0 mouvement perp\u00e9tuel du premier type, qui produit un travail sans apport d\u2019\u00e9nergie, ne peut exister.<\/p>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights  lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<p><span>Le concept de\u00a0<\/span><strong><span>conservation<\/span><\/strong><span>\u00a0de l&#8217;\u00a0<strong>\u00e9nergie<\/strong>\u00a0est largement utilis\u00e9 dans de nombreux domaines.\u00a0Dans cet article, les champs suivants sont abord\u00e9s:<\/span><\/p>\n<ul>\n<li><a title=\"Conservation de l'\u00e9nergie m\u00e9canique\" href=\"https:\/\/www.nuclear-power.com\/laws-of-conservation\/law-of-conservation-of-energy\/conservation-of-mechanical-energy\/\"><strong><span>Conservation de l&#8217;\u00e9nergie m\u00e9canique<\/span><\/strong><\/a><\/li>\n<li><a title=\"Conservation de l'\u00e9nergie en m\u00e9canique des fluides - Principe de Bernoulli\" href=\"https:\/\/www.nuclear-power.com\/laws-of-conservation\/law-of-conservation-of-energy\/conservation-of-energy-in-fluid-mechanics-bernoullis-principle\/\"><strong><span>Conservation de l&#8217;\u00e9nergie en m\u00e9canique des fluides<\/span><\/strong><\/a><\/li>\n<li><a title=\"Conservation de l'\u00e9nergie en thermodynamique - La premi\u00e8re loi de la thermodynamique\" href=\"https:\/\/www.nuclear-power.com\/laws-of-conservation\/law-of-conservation-of-energy\/first-law-thermodynamics\/\"><strong><span>Conservation de l&#8217;\u00e9nergie en thermodynamique<\/span><\/strong><\/a><\/li>\n<li><a title=\"Conservation de l'\u00e9nergie dans les circuits \u00e9lectriques\" href=\"https:\/\/www.nuclear-power.com\/laws-of-conservation\/law-of-conservation-of-energy\/conservation-of-energy-in-electrical-circuits\/\"><span>Conservation de l&#8217;\u00e9nergie dans les circuits \u00e9lectriques<\/span><\/a><\/li>\n<li><a title=\"Conservation de l'\u00e9nergie dans les r\u00e9actions chimiques\" href=\"https:\/\/www.nuclear-power.com\/laws-of-conservation\/law-of-conservation-of-energy\/conservation-of-energy-in-chemical-reactions\/\"><span>Conservation de l&#8217;\u00e9nergie dans les r\u00e9actions chimiques<\/span><\/a><\/li>\n<li><a title=\"Conservation de l'\u00e9nergie de masse - \u00c9quivalence masse-\u00e9nergie\" href=\"https:\/\/www.nuclear-power.com\/laws-of-conservation\/law-of-conservation-of-energy\/conservation-of-mass-energy-mass-energy-equivalence\/\"><strong><span>Conservation de l&#8217;\u00e9nergie dans la th\u00e9orie de la relativit\u00e9 restreinte<\/span><\/strong><\/a><\/li>\n<li><a title=\"Conservation de l'\u00e9nergie dans les r\u00e9actions nucl\u00e9aires\" href=\"https:\/\/www.nuclear-power.com\/laws-of-conservation\/law-of-conservation-of-energy\/conservation-of-energy-in-nuclear-reactions\/\"><strong><span>Conservation de l&#8217;\u00e9nergie dans les r\u00e9actions nucl\u00e9aires<\/span><\/strong><\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights  lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-spacer\"><\/div>\n<h2><span>Loi de conservation de l&#8217;\u00e9nergie de masse &#8211; \u00c9quivalence masse-\u00e9nergie<\/span><\/h2>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/emc2-e1414305346127.png\"><img loading=\"lazy\" class=\"alignright size-medium wp-image-45 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/emc2-300x195.png\" alt=\"E = MC2\" width=\"300\" height=\"195\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/emc2-300x195.png\" \/><\/a><span>Au d\u00e9but du XXe si\u00e8cle, la notion de masse subit une r\u00e9vision radicale.\u00a0La masse a perdu son\u00a0<\/span><strong><span>absolu<\/span><\/strong><span>\u00a0.\u00a0L&#8217;un des r\u00e9sultats frappants de\u00a0<\/span><strong><span>la th\u00e9orie de la relativit\u00e9 d&#8217;Einstein<\/span><\/strong><span>\u00a0est que la\u00a0<\/span><strong><span>masse et l&#8217;\u00e9nergie sont \u00e9quivalentes et convertibles l&#8217;<\/span><\/strong><span>\u00a0\u00a0une en l&#8217;autre.\u00a0<\/span><strong><span>L&#8217;\u00e9quivalence<\/span><\/strong><span>\u00a0de la masse et de l&#8217;\u00e9nergie est d\u00e9crite par la c\u00e9l\u00e8bre formule d&#8217;Einstein\u00a0<\/span><strong><a title=\"E = mc2 Signification\" href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/nuclear-energy\/emc2-meaning\/\"><span>E = mc\u00a0<\/span><sup><span>2<\/span><\/sup><\/a><\/strong><span>\u00a0.\u00a0En mots, l&#8217;\u00a0<\/span><strong><span>\u00e9nergie<\/span><\/strong><span>\u00a0est \u00e9gale \u00e0 la\u00a0<\/span><strong><span>masse<\/span><\/strong><span>\u00a0multipli\u00e9e par la\u00a0<\/span><strong><span>vitesse de la lumi\u00e8re au carr\u00e9<\/span><\/strong><span>.\u00a0Parce que la vitesse de la lumi\u00e8re est un tr\u00e8s grand nombre, la formule implique que toute petite quantit\u00e9 de mati\u00e8re contient une tr\u00e8s grande quantit\u00e9 d&#8217;\u00e9nergie.\u00a0La masse d&#8217;un objet \u00e9tait consid\u00e9r\u00e9e comme \u00e9quivalente \u00e0 l&#8217;\u00e9nergie, interconvertible avec l&#8217;\u00e9nergie et augmentant consid\u00e9rablement \u00e0 des vitesses extr\u00eamement \u00e9lev\u00e9es proches de celles de la lumi\u00e8re.\u00a0L&#8217;\u00a0<\/span><strong><span>\u00e9nergie totale<\/span><\/strong><span>\u00a0d&#8217;un objet \u00e9tait comprise comme comprenant sa\u00a0<\/span><strong><span>masse au repos<\/span><\/strong><span>\u00a0ainsi que son\u00a0<\/span><strong><span>augmentation de masse<\/span><\/strong><span>\u00a0caus\u00e9e par l&#8217;\u00a0<\/span><strong><span>augmentation de l&#8217;\u00e9nergie cin\u00e9tique<\/span><\/strong><span>\u00a0.<\/span><\/p>\n<p><strong><span>Dans la th\u00e9orie sp\u00e9ciale de la relativit\u00e9,<\/span><\/strong><span>\u00a0certains types de\u00a0<\/span><strong><span>mati\u00e8re peuvent \u00eatre cr\u00e9\u00e9s ou d\u00e9truits<\/span><\/strong><span>\u00a0, mais dans tous ces processus, la masse et l&#8217;\u00e9nergie associ\u00e9es \u00e0 une telle mati\u00e8re\u00a0<\/span><strong><span>restent inchang\u00e9es en quantit\u00e9<\/span><\/strong><span>\u00a0.\u00a0Il a \u00e9t\u00e9 constat\u00e9 que la\u00a0<\/span><strong><span>masse au repos d&#8217;un noyau atomique est sensiblement plus petite que la somme des masses au repos de ses protons, neutrons et \u00e9lectrons constitutifs<\/span><\/strong><span>\u00a0.\u00a0La masse n&#8217;\u00e9tait plus consid\u00e9r\u00e9e comme immuable dans le syst\u00e8me ferm\u00e9.\u00a0La diff\u00e9rence est une mesure de l&#8217;\u00a0<\/span><a title=\"\u00c9nergie de liaison nucl\u00e9aire\" href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/binding-energy\/nuclear-binding-energy\/\"><span>\u00e9nergie de liaison nucl\u00e9aire<\/span><\/a><span>\u00a0qui maintient le noyau ensemble.\u00a0Selon la relation d&#8217;Einstein (\u00a0<\/span><strong><a title=\"E = mc2 Signification\" href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/nuclear-energy\/emc2-meaning\/\"><span>E = mc\u00a0<\/span><sup><span>2<\/span><\/sup><\/a><\/strong><span>\u00a0), cette \u00e9nergie de liaison est proportionnelle \u00e0 cette diff\u00e9rence de masse et elle est connue sous le nom de\u00a0<\/span><strong><span>d\u00e9faut de masse<\/span><\/strong><span> .<\/span><\/p>\n<\/div>\n<\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights  lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-accordion\">\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus su-spoiler-closed\"><\/div>\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus su-spoiler-closed\">\n<div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><\/div>\n<\/div>\n<\/div>\n<figure id=\"attachment_237\" class=\"wp-caption alignright\" aria-describedby=\"caption-attachment-237\"><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/nuclear_binding_energy.gif\"><img loading=\"lazy\" class=\"wp-image-237 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/nuclear_binding_energy.gif\" alt=\"Courbe d'\u00e9nergie de liaison nucl\u00e9aire.\" width=\"300\" height=\"195\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/nuclear_binding_energy.gif\" \/><\/a><figcaption id=\"caption-attachment-237\" class=\"wp-caption-text\"><span>Courbe d&#8217;\u00e9nergie de liaison nucl\u00e9aire.<\/span><br \/>\n<span>Source: hyperphysics.phy-astr.gsu.edu<\/span><\/figcaption><\/figure>\n<p><span>Lors de la\u00a0<\/span><a title=\"Fission nucl\u00e9aire\" href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/fission\/\"><strong><span>scission nucl\u00e9aire<\/span><\/strong><\/a><span>\u00a0ou de\u00a0<\/span><a title=\"La fusion nucl\u00e9aire\" href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/nuclear-fusion\/\"><strong><span>la fusion nucl\u00e9aire<\/span><\/strong><\/a><span>\u00a0, une partie de la masse du noyau est convertie en \u00e9normes quantit\u00e9s d&#8217;\u00e9nergie et ainsi cette masse est retir\u00e9e de la masse totale des particules d&#8217;origine, et la masse manque dans le noyau r\u00e9sultant.\u00a0<\/span><strong><span>Les \u00e9nergies de liaison nucl\u00e9aire<\/span><\/strong><span>\u00a0sont \u00e9normes, elles sont de l&#8217;ordre d&#8217;un million de fois sup\u00e9rieures aux \u00e9nergies de liaison \u00e9lectronique des atomes.<\/span><\/p>\n<p><span>G\u00e9n\u00e9ralement, dans les\u00a0<a title=\"R\u00e9actions nucl\u00e9aires\" href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/nuclear-reactions\/\"><strong>r\u00e9actions<\/strong><\/a><\/span><strong><span>\u00a0chimiques<\/span><\/strong><span>\u00a0et\u00a0<\/span><a title=\"R\u00e9actions nucl\u00e9aires\" href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/nuclear-reactions\/\"><strong><span>nucl\u00e9aires<\/span><\/strong><\/a><span>\u00a0, une certaine conversion entre la masse au repos et l&#8217;\u00e9nergie se produit, de sorte que les produits ont g\u00e9n\u00e9ralement une masse plus petite ou plus grande que les r\u00e9actifs.\u00a0Par cons\u00e9quent, le nouveau principe de conservation est\u00a0\u00a0<\/span><strong><span>la conservation de l&#8217;\u00e9nergie de masse<\/span><\/strong><span>\u00a0.<\/span><\/p>\n<p><span>Voir aussi:\u00a0<\/span><a title=\"Lib\u00e9ration d'\u00e9nergie de la fission\" href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/fission\/energy-release-from-fission\/\"><span>Lib\u00e9ration d&#8217;\u00e9nergie de la fission<\/span><\/a><\/p>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Mass-Defect-Uranium.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-14133 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Mass-Defect-Uranium.png\" alt=\"D\u00e9faut de masse\" width=\"575\" height=\"103\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Mass-Defect-Uranium.png\" \/><\/a><\/p>\n<\/div>\n<\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights  lgc-first lgc-last\">\n<div class=\"inside-grid-column\"><\/div>\n<\/div>\n<\/div>\n<p>&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;.<\/p>\n<p>Cet article est bas\u00e9 sur la traduction automatique de l&#8217;article original en anglais. Pour plus d&#8217;informations, voir l&#8217;article en anglais. Pouvez vous nous aider Si vous souhaitez corriger la traduction, envoyez-la \u00e0 l&#8217;adresse: translations@nuclear-power.com ou remplissez le formulaire de traduction en ligne. Nous appr\u00e9cions votre aide, nous mettrons \u00e0 jour la traduction le plus rapidement possible. Merci<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>L&#8217;\u00e9nergie ne peut \u00eatre ni cr\u00e9\u00e9e ni d\u00e9truite, mais transform\u00e9e en diverses formes.\u00a0Le concept de conservation de l&#8217;\u00e9nergie est largement utilis\u00e9 dans de nombreux domaines.\u00a0G\u00e9nie thermique L&#8217;\u00e9nergie ne peut \u00eatre ni cr\u00e9\u00e9e ni d\u00e9truite C&#8217;est le\u00a0principe de conservation de l&#8217;\u00e9nergie\u00a0, ce qui signifie que: L&#8217;\u00e9nergie ne peut\u00a0\u00eatre ni cr\u00e9\u00e9e ni d\u00e9truite\u00a0, mais transform\u00e9e en diverses &#8230; <a title=\"Qu&#8217;est-ce que l&#8217;\u00e9nergie ne peut \u00eatre ni cr\u00e9\u00e9e ni d\u00e9truite &#8211; D\u00e9finition\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-lenergie-ne-peut-etre-ni-creee-ni-detruite-definition\/\" aria-label=\"En savoir plus sur Qu&#8217;est-ce que l&#8217;\u00e9nergie ne peut \u00eatre ni cr\u00e9\u00e9e ni d\u00e9truite &#8211; D\u00e9finition\">Lire la suite<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[8],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Qu&#039;est-ce que l&#039;\u00e9nergie ne peut \u00eatre ni cr\u00e9\u00e9e ni d\u00e9truite - D\u00e9finition<\/title>\n<meta name=\"description\" content=\"L&#039;\u00e9nergie ne peut \u00eatre ni cr\u00e9\u00e9e ni d\u00e9truite, mais transform\u00e9e en diverses formes. Le concept de conservation de l&#039;\u00e9nergie est largement utilis\u00e9 dans de nombreux domaines. G\u00e9nie thermique\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.thermal-engineering.org\/fr\/quest-ce-que-lenergie-ne-peut-etre-ni-creee-ni-detruite-definition\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Qu&#039;est-ce que l&#039;\u00e9nergie ne peut \u00eatre ni cr\u00e9\u00e9e ni d\u00e9truite - D\u00e9finition\" \/>\n<meta property=\"og:description\" content=\"L&#039;\u00e9nergie ne peut \u00eatre ni cr\u00e9\u00e9e ni d\u00e9truite, mais transform\u00e9e en diverses formes. Le concept de conservation de l&#039;\u00e9nergie est largement utilis\u00e9 dans de nombreux domaines. 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