{"id":48597,"date":"2019-11-11T06:43:38","date_gmt":"2019-11-11T05:43:38","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/exemplo-de-energia-de-1-joule-definicao\/"},"modified":"2020-01-29T16:47:26","modified_gmt":"2020-01-29T15:47:26","slug":"exemplo-de-energia-de-1-joule-definicao","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/pt-br\/exemplo-de-energia-de-1-joule-definicao\/","title":{"rendered":"Exemplo de Energia de 1 Joule &#8211; Defini\u00e7\u00e3o"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">Um joule na vida cotidiana e na ci\u00eancia corresponde aproximadamente \u00e0 energia cin\u00e9tica de um objeto de 50 kg (por exemplo, humano) se movendo muito lentamente.\u00a0Engenharia T\u00e9rmica<\/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>Unidades de energia<\/h2>\n<p><strong>A energia<\/strong>\u00a0\u00e9 geralmente definida como o potencial de trabalhar ou produzir calor.\u00a0Essa defini\u00e7\u00e3o faz com que a unidade SI para energia seja igual \u00e0 unidade de trabalho &#8211; o\u00a0<strong>joule (J)<\/strong>\u00a0.\u00a0Joule \u00e9 uma unidade derivada de energia e \u00e9 nomeado em homenagem a\u00a0<strong>James Prescott Joule<\/strong>\u00a0e seus experimentos sobre o equivalente mec\u00e2nico do calor.\u00a0Em termos mais fundamentais, 1 joule \u00e9 igual a:<\/p>\n<p><strong>1 J = 1 kg.m\u00a0<sup>2<\/sup>\u00a0\/ s\u00a0<sup>2<\/sup><\/strong><\/p>\n<p>Como a energia \u00e9 uma quantidade f\u00edsica fundamental e \u00e9 usada em v\u00e1rios ramos f\u00edsicos e de engenharia, existem muitas\u00a0<strong>unidades de energia<\/strong>\u00a0em f\u00edsica e engenharia.<\/p>\n<ul>\n<li><a title=\"Joule (unidade J) - Unidade de Energia\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/what-is-energy-physics\/joule-unit-j-energy-unit\/\">Joule (unidade: J)<\/a><\/li>\n<li><a title=\"Calorias (unidade cal) - Unidade de Energia\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/what-is-energy-physics\/calorie-unit-cal-energy-unit\/\">Calorias (unidade: cal)<\/a><\/li>\n<li><a title=\"Unidade T\u00e9rmica Brit\u00e2nica (unidade BTU) - Unidade de Energia\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/what-is-energy-physics\/british-thermal-unit-unit-btu-energy-unit\/\">Unidade t\u00e9rmica Britich (unidade: BTU)<\/a><\/li>\n<li><a title=\"For\u00e7a em libra-p\u00e9 (unidade ft.lbf) - Unidade de energia\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/what-is-energy-physics\/foot-pound-force-unit-ft-lbf-energy-unit\/\">For\u00e7a da libra-p\u00e9 (unidade: ft.lbf)<\/a><\/li>\n<li><a title=\"Quilowatt-hora (unidade kWh) - Unidade de Energia\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/what-is-energy-physics\/kilowatt-hour-unit-kwh-energy-unit\/\">Quilowatt-hora (unidade: kWh)<\/a><\/li>\n<li><a title=\"Megawatt-dia (unidade MWd) - Unidade de Energia\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/what-is-energy-physics\/megawatt-day-unit-mwd-energy-unit\/\">Megawatt-dia (unidade: MWd)<\/a><\/li>\n<li><a title=\"Electronvolt (unit eV) - Unidade de Energia\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/what-is-energy-physics\/electronvolt-unit-ev-energy-unit\/\">Electronvolt (unidade: eV)<\/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>Joule &#8211; Unidades de Energia<\/h2>\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>Joule (unidade: J).\u00a0Joule \u00e9 uma unidade derivada de energia.\u00a0\u00c9 igual \u00e0 energia transferida para um objeto quando a for\u00e7a de um newton atua sobre esse objeto na dire\u00e7\u00e3o de seu movimento atrav\u00e9s da dist\u00e2ncia de um metro.<\/span><\/p>\n<ul>\n<li><span>1 joule = 0,249 Calorias<\/span><\/li>\n<li><span>1 joule = 9,48 x 10\u00a0<\/span><sup><span>-4<\/span><\/sup><span>\u00a0BTU<\/span><\/li>\n<li><span>1 joule = 2,778 x 10\u00a0<\/span><sup><span>-7<\/span><\/sup><span>\u00a0kWh<\/span><\/li>\n<\/ul>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/conversion-joule-calorie-kilowatthour-energy-units.png\"><img loading=\"lazy\" class=\"aligncenter size-large wp-image-16545 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/conversion-joule-calorie-kilowatthour-energy-units-1024x291.png\" alt=\"convers\u00e3o - joule, calorias, quilowatthour - unidades de energia\" width=\"669\" height=\"190\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/conversion-joule-calorie-kilowatthour-energy-units-1024x291.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\">\n<div class=\"su-spacer\"><\/div>\n<h2><span>Exemplos de energia de 1 Joule<\/span><\/h2>\n<p><strong><span>Um joule<\/span><\/strong><span>\u00a0na vida cotidiana e na ci\u00eancia corresponde aproximadamente a:<\/span><\/p>\n<ul>\n<li><span>A energia cin\u00e9tica de um objeto com massa\u00a0<\/span><strong><span>1 kg<\/span><\/strong><span>\u00a0movendo-se a \u221a2 \u2248\u00a0<\/span><strong><span>1,4 m \/ s<\/span><\/strong><span>\u00a0.<\/span><\/li>\n<li><span>A energia cin\u00e9tica de um\u00a0objeto de\u00a0<\/span><strong><span>50 kg<\/span><\/strong><span>\u00a0(por exemplo, humano) se move muito lentamente &#8211; aproximadamente\u00a0<\/span><strong><span>0,72 km \/ h<\/span><\/strong><span>\u00a0.<\/span><\/li>\n<li><span>A energia necess\u00e1ria para levantar uma ma\u00e7\u00e3 de tamanho m\u00e9dio (\u00a0<\/span><strong><span>100 g<\/span><\/strong><span>\u00a0)\u00a0<\/span><strong><span>1 metro verticalmente<\/span><\/strong><span>\u00a0da superf\u00edcie da Terra.<\/span><\/li>\n<li><span>O calor necess\u00e1rio para aumentar a temperatura de\u00a0<\/span><strong><span>um g de\u00a0<\/span><a title=\"Propriedades da \u00c1gua\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/materials-nuclear-engineering\/properties-of-water\/\"><span>\u00e1gua<\/span><\/a><span>\u00a0de 0,24 \u00b0 C<\/span><\/strong><span>\u00a0.<\/span><\/li>\n<li><span>O calor necess\u00e1rio para\u00a0<\/span><strong><span>evaporar<\/span><\/strong><span>\u00a0de\u00a0<\/span><strong><span>0,00044 g de \u00e1gua no estado l\u00edquido<\/span><\/strong><span>\u00a0a 100 \u00b0 C.<\/span><\/li>\n<li><span>A quantidade de eletricidade necess\u00e1ria para acender um\u00a0<\/span><strong><span>LED de 1 watt<\/span><\/strong><span>\u00a0por\u00a0<\/span><strong><span>1 s<\/span><\/strong><span>\u00a0.<\/span><\/li>\n<li><span>\u00c9 liberado por aproximadamente\u00a0<\/span><strong><span>3,1\u00a0<\/span><\/strong><strong><span>\u00d7\u00a0<\/span><\/strong><strong><span>10\u00a0<\/span><\/strong><strong><sup><span>10<\/span><\/sup><\/strong><strong><span>\u00a0fiss\u00f5es<\/span><\/strong><span>\u00a0em um reator nuclear.<\/span><\/li>\n<\/ul>\n<\/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>Este artigo \u00e9 baseado na tradu\u00e7\u00e3o autom\u00e1tica do artigo original em ingl\u00eas. Para mais informa\u00e7\u00f5es, consulte o artigo em ingl\u00eas. Voc\u00ea pode nos ajudar. Se voc\u00ea deseja corrigir a tradu\u00e7\u00e3o, envie-a para: translations@nuclear-power.com ou preencha o formul\u00e1rio de tradu\u00e7\u00e3o on-line. Agradecemos sua ajuda, atualizaremos a tradu\u00e7\u00e3o o mais r\u00e1pido poss\u00edvel. Obrigado.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Um joule na vida cotidiana e na ci\u00eancia corresponde aproximadamente \u00e0 energia cin\u00e9tica de um objeto de 50 kg (por exemplo, humano) se movendo muito lentamente.\u00a0Engenharia T\u00e9rmica Unidades de energia A energia\u00a0\u00e9 geralmente definida como o potencial de trabalhar ou produzir calor.\u00a0Essa defini\u00e7\u00e3o faz com que a unidade SI para energia seja igual \u00e0 unidade &#8230; <a title=\"Exemplo de Energia de 1 Joule &#8211; Defini\u00e7\u00e3o\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/pt-br\/exemplo-de-energia-de-1-joule-definicao\/\" aria-label=\"More on Exemplo de Energia de 1 Joule &#8211; Defini\u00e7\u00e3o\">Ler mais<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[14],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Exemplo de Energia de 1 Joule - Defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"Um joule na vida cotidiana e na ci\u00eancia corresponde aproximadamente \u00e0 energia cin\u00e9tica de um objeto de 50 kg (por exemplo, humano) se movendo muito lentamente. 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