{"id":21641,"date":"2020-07-21T10:42:34","date_gmt":"2020-07-21T10:42:34","guid":{"rendered":"https:\/\/www.radiation-dosimetry.org\/o-que-e-forca-forte-vs-forca-fraca-definicao\/"},"modified":"2020-07-21T10:42:34","modified_gmt":"2020-07-21T10:42:34","slug":"o-que-e-forca-forte-vs-forca-fraca-definicao","status":"publish","type":"post","link":"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-forca-forte-vs-forca-fraca-definicao\/","title":{"rendered":"O que \u00e9 for\u00e7a forte vs for\u00e7a fraca &#8211; defini\u00e7\u00e3o"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-u-clearfix su-u-trim\">A for\u00e7a forte e a for\u00e7a fraca s\u00e3o duas as quatro for\u00e7as fundamentais.\u00a0Eles s\u00e3o muito diferentes.\u00a0Este artigo resume essas diferen\u00e7as.<\/div>\n<\/div>\n<div class=\"su-divider su-divider-style-dotted\"><\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-50 lgc-tablet-grid-50 lgc-mobile-grid-100 lgc-equal-heights lgc-first\">\n<div class=\"inside-grid-column\">\n<h2>Forte intera\u00e7\u00e3o &#8211; for\u00e7a forte<\/h2>\n<p>A\u00a0\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-interactions-fundamental-forces\/strong-interaction-strong-force\/\"><strong>intera\u00e7\u00e3o forte<\/strong><\/a>\u00a0\u00a0ou\u00a0\u00a0<strong>for\u00e7a forte<\/strong>\u00a0\u00a0\u00e9 uma das\u00a0\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-interactions-fundamental-forces\/\">quatro for\u00e7as fundamentais<\/a>\u00a0\u00a0e envolve a troca dos b\u00f3sons de medidores de vetores conhecidos como\u00a0\u00a0<strong>gl\u00faons<\/strong>\u00a0.\u00a0Em geral, a\u00a0\u00a0<strong>intera\u00e7\u00e3o forte<\/strong>\u00a0\u00a0\u00e9\u00a0<strong>uma intera\u00e7\u00e3o<\/strong>\u00a0muito complicada, pois varia significativamente com a dist\u00e2ncia.\u00a0A for\u00e7a nuclear forte mant\u00e9m a maioria das mat\u00e9rias comuns porque confina\u00a0\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/quarks\/\"><strong>quarks<\/strong><\/a>\u00a0\u00a0em\u00a0\u00a0\u00a0part\u00edculas de\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/hadrons\/\">h\u00e1drons<\/a>\u00a0, como o\u00a0\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/what-is-proton-properties-of-proton\/\">pr\u00f3ton<\/a>\u00a0\u00a0e o\u00a0\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/neutron\/\">n\u00eautron<\/a>\u00a0.\u00a0Al\u00e9m disso, a for\u00e7a forte \u00e9 a for\u00e7a que pode manter um n\u00facleo unido contra as enormes for\u00e7as de repuls\u00e3o (\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-interactions-fundamental-forces\/electromagnetic-interaction-electromagnetic-force\/\">for\u00e7a eletromagn\u00e9tica<\/a>) dos pr\u00f3tons \u00e9 realmente forte.\u00a0Deste ponto de vista, temos que distinguir entre:<\/p>\n<ul>\n<li><strong>For\u00e7a Forte Fundamental.\u00a0<\/strong>A for\u00e7a forte fundamental, ou for\u00e7a forte, \u00e9 uma for\u00e7a de alcance muito curto (menos de cerca de 0,8 fm, o raio de um n\u00facleo), que atua\u00a0<strong>\u00a0diretamente entre os quarks<\/strong>\u00a0.\u00a0Essa for\u00e7a\u00a0\u00a0<strong>mant\u00e9m os quarks juntos<\/strong>\u00a0\u00a0para formar pr\u00f3tons, n\u00eautrons e outras part\u00edculas de h\u00e1drons.\u00a0A forte intera\u00e7\u00e3o \u00e9 mediada pela troca de part\u00edculas sem massa chamadas gl\u00faons que atuam entre quarks, antiquarks e outros gl\u00faons.<\/li>\n<li><strong>For\u00e7a forte residual.\u00a0<\/strong>A for\u00e7a forte residual, tamb\u00e9m conhecida como\u00a0\u00a0<strong>for\u00e7a nuclear<\/strong>\u00a0, \u00e9 uma\u00a0<strong>for\u00e7a de<\/strong>\u00a0alcance muito curto (cerca de 1 a 3 fm), que atua para\u00a0\u00a0<strong>manter n\u00eautrons e pr\u00f3tons juntos<\/strong>\u00a0\u00a0nos n\u00facleos.\u00a0Nos n\u00facleos, essa for\u00e7a atua contra a enorme for\u00e7a eletromagn\u00e9tica repulsiva dos pr\u00f3tons.\u00a0O termo residual est\u00e1 associado ao fato, \u00e9 o res\u00edduo da forte intera\u00e7\u00e3o fundamental entre os quarks que comp\u00f5e os pr\u00f3tons e n\u00eautrons.\u00a0A for\u00e7a forte residual atua indiretamente atrav\u00e9s dos\u00a0\u00a0<strong>m\u00e9sons \u03c0 e \u03c1 virtuais<\/strong>\u00a0, que transmitem a for\u00e7a entre os n\u00facleons que mant\u00e9m o n\u00facleo unido.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-50 lgc-tablet-grid-50 lgc-mobile-grid-100 lgc-equal-heights lgc-last\">\n<div class=\"inside-grid-column\">\n<h2>Intera\u00e7\u00e3o fraca &#8211; for\u00e7a fraca<\/h2>\n<p>A\u00a0\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-interactions-fundamental-forces\/weak-interaction-weak-force\/\"><strong>intera\u00e7\u00e3o fraca<\/strong><\/a>\u00a0\u00a0ou\u00a0\u00a0<strong>for\u00e7a fraca<\/strong>\u00a0\u00a0\u00e9 uma das\u00a0\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-interactions-fundamental-forces\/\">quatro for\u00e7as fundamentais<\/a>\u00a0\u00a0e envolve a troca dos b\u00f3sons vetoriais intermedi\u00e1rios, o W e o Z. Como esses b\u00f3sons s\u00e3o muito maci\u00e7os (da ordem de 80 GeV, o\u00a0<strong>princ\u00edpio<\/strong>\u00a0da\u00a0\u00a0<strong>incerteza<\/strong>\u00a0\u00a0dita uma gama de cerca de\u00a0<sup>10-18<\/sup>\u00a0metros, que \u00e9 menor que o di\u00e2metro de um pr\u00f3ton. Como resultado, a\u00a0\u00a0<strong>intera\u00e7\u00e3o fraca<\/strong>\u00a0\u00a0ocorre apenas em dist\u00e2ncias subat\u00f4micas muito pequenas.<\/p>\n<p>A fraca intera\u00e7\u00e3o respons\u00e1vel por alguns fen\u00f4menos nucleares, como\u00a0\u00a0<strong>o decaimento beta<\/strong>\u00a0, que pode ser entendida em termos da for\u00e7a fraca que opera nos\u00a0\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/quarks\/\">quarks<\/a>\u00a0\u00a0dentro do\u00a0\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/neutron\/\">n\u00eautron<\/a>\u00a0.\u00a0Um dos dois quark down muda para um quark-se atrav\u00e9s da emiss\u00e3o de um W\u00a0<sup>&#8211;<\/sup>\u00a0\u00a0Higgs (transporta para longe uma carga negativa).\u00a0O W\u00a0<sup>&#8211;<\/sup>\u00a0\u00a0Higgs depois decai para uma\u00a0\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/beta-particle\/\">part\u00edcula beta<\/a>\u00a0\u00a0e um\u00a0\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/antineutrino\/\">antineutrino<\/a>\u00a0.\u00a0Esse processo \u00e9 equivalente ao processo no qual um neutrino interage com um n\u00eautron.<\/p>\n<p><img src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/weak-interaction-weak-force-example-1024x262.png\" alt=\"intera\u00e7\u00e3o fraca - for\u00e7a fraca\" \/><\/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<h2>For\u00e7a Forte vs For\u00e7a Fraca<\/h2>\n<p><a href=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/Fundamental-Interactions-and-Fundamental-Forces.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-21456 lazy-loaded\" src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/Fundamental-Interactions-and-Fundamental-Forces.png\" alt=\"Intera\u00e7\u00f5es Fundamentais e For\u00e7as Fundamentais\" width=\"970\" height=\"574\" data-lazy-type=\"image\" data-src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/Fundamental-Interactions-and-Fundamental-Forces.png\" \/><\/a><\/p>\n<p>&nbsp;<\/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-spoiler su-spoiler-style-default su-spoiler-icon-arrow\" data-anchor=\"References\">\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<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>A for\u00e7a forte e a for\u00e7a fraca s\u00e3o duas as quatro for\u00e7as fundamentais.\u00a0Eles s\u00e3o muito diferentes.\u00a0Este artigo resume essas diferen\u00e7as. Forte intera\u00e7\u00e3o &#8211; for\u00e7a forte A\u00a0\u00a0intera\u00e7\u00e3o forte\u00a0\u00a0ou\u00a0\u00a0for\u00e7a forte\u00a0\u00a0\u00e9 uma das\u00a0\u00a0quatro for\u00e7as fundamentais\u00a0\u00a0e envolve a troca dos b\u00f3sons de medidores de vetores conhecidos como\u00a0\u00a0gl\u00faons\u00a0.\u00a0Em geral, a\u00a0\u00a0intera\u00e7\u00e3o forte\u00a0\u00a0\u00e9\u00a0uma intera\u00e7\u00e3o\u00a0muito complicada, pois varia significativamente com a dist\u00e2ncia.\u00a0A for\u00e7a &#8230; <a title=\"O que \u00e9 for\u00e7a forte vs for\u00e7a fraca &#8211; defini\u00e7\u00e3o\" class=\"read-more\" href=\"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-forca-forte-vs-forca-fraca-definicao\/\" aria-label=\"More on O que \u00e9 for\u00e7a forte vs for\u00e7a fraca &#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":[51],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>O que \u00e9 for\u00e7a forte vs for\u00e7a fraca - defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"A for\u00e7a forte e a for\u00e7a fraca s\u00e3o duas as quatro for\u00e7as fundamentais. 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