{"id":17505,"date":"2020-06-14T18:04:27","date_gmt":"2020-06-14T18:04:27","guid":{"rendered":"https:\/\/www.radiation-dosimetry.org\/o-que-e-forca-eletromagnetica-vs-forca-gravitacional-definicao\/"},"modified":"2020-07-21T10:39:58","modified_gmt":"2020-07-21T10:39:58","slug":"o-que-e-forca-eletromagnetica-vs-forca-gravitacional-definicao","status":"publish","type":"post","link":"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-forca-eletromagnetica-vs-forca-gravitacional-definicao\/","title":{"rendered":"O que \u00e9 for\u00e7a eletromagn\u00e9tica vs for\u00e7a gravitacional &#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 eletromagn\u00e9tica e a for\u00e7a gravitacional s\u00e3o duas das 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>Intera\u00e7\u00e3o eletromagn\u00e9tica &#8211; for\u00e7a eletromagn\u00e9tica<\/h2>\n<p>A\u00a0\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-interactions-fundamental-forces\/electromagnetic-interaction-electromagnetic-force\/\"><strong>for\u00e7a eletromagn\u00e9tica<\/strong><\/a>\u00a0\u00a0\u00e9 a for\u00e7a respons\u00e1vel por todos os processos eletromagn\u00e9ticos.\u00a0Atua entre part\u00edculas eletricamente carregadas.\u00a0\u00c9 uma for\u00e7a de alcance infinito, muito\u00a0\u00a0<strong>mais forte que a for\u00e7a gravitacional<\/strong>\u00a0, obedece \u00e0 lei do inverso do quadrado, mas nem a eletricidade nem o magnetismo aumentam da mesma forma que a for\u00e7a gravitacional.\u00a0Como existem cobran\u00e7as positivas e negativas (polos), essas cobran\u00e7as tendem a se cancelar.\u00a0O eletromagnetismo inclui a for\u00e7a eletrost\u00e1tica que atua entre as part\u00edculas carregadas em repouso e o efeito combinado das for\u00e7as el\u00e9tricas e magn\u00e9ticas que atuam entre as part\u00edculas carregadas, movendo-se uma em rela\u00e7\u00e3o \u00e0 outra.<\/p>\n<p><strong>O\u00a0\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/photon\/\">f\u00f3ton<\/a>\u00a0, o quantum da radia\u00e7\u00e3o eletromagn\u00e9tica<\/strong>\u00a0, \u00e9 uma part\u00edcula elementar, que \u00e9 o portador da for\u00e7a da for\u00e7a eletromagn\u00e9tica.\u00a0<strong>F\u00f3tons s\u00e3o b\u00f3sons de medida<\/strong>\u00a0\u00a0que n\u00e3o t\u00eam carga el\u00e9trica ou massa de repouso e uma unidade de rota\u00e7\u00e3o.\u00a0Comum a todos os f\u00f3tons \u00e9\u00a0\u00a0<strong>a velocidade da luz<\/strong>\u00a0, a constante universal da f\u00edsica.\u00a0No espa\u00e7o vazio, o f\u00f3ton se move em c (\u00a0<strong>a velocidade da luz &#8211; 299 792 458 metros por segundo<\/strong>\u00a0).<\/p>\n<p>As for\u00e7as entre part\u00edculas eletricamente carregadas est\u00e1ticas s\u00e3o regidas pela\u00a0\u00a0<strong>lei de Coulomb<\/strong>\u00a0.\u00a0<strong>A lei de Coulomb<\/strong>\u00a0\u00a0pode ser usada para calcular a for\u00e7a entre part\u00edculas carregadas (por exemplo, dois pr\u00f3tons).\u00a0A for\u00e7a eletrost\u00e1tica \u00e9 diretamente proporcional \u00e0s cargas el\u00e9tricas das duas part\u00edculas e inversamente proporcional ao quadrado da dist\u00e2ncia entre as part\u00edculas.\u00a0A lei de Coulomb \u00e9 declarada como a seguinte equa\u00e7\u00e3o.<\/p>\n<p><a href=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/electrostatic-force-equation.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-23267 lazy-loaded\" src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/electrostatic-force-equation.png\" sizes=\"(max-width: 423px) 100vw, 423px\" srcset=\"http:\/\/radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/electrostatic-force-equation.png 423w, https:\/\/www.nuclear-power.com\/wp-content\/uploads\/electrostatic-force-equation-300x139.png 300w, https:\/\/www.nuclear-power.com\/wp-content\/uploads\/electrostatic-force-equation-200x93.png 200w, https:\/\/www.nuclear-power.com\/wp-content\/uploads\/electrostatic-force-equation-400x185.png 400w\" alt=\"\" width=\"423\" height=\"196\" data-lazy-type=\"image\" data-src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/electrostatic-force-equation.png\" data-srcset=\"\" \/><\/a><\/p>\n<p>Tanto a lei de Coulomb quanto a for\u00e7a magn\u00e9tica est\u00e3o resumidas na lei da for\u00e7a de Lorentz.\u00a0Fundamentalmente, as for\u00e7as magn\u00e9ticas e el\u00e9tricas s\u00e3o manifesta\u00e7\u00f5es de uma for\u00e7a de troca envolvendo a troca de f\u00f3tons.<\/p>\n<p>A for\u00e7a eletromagn\u00e9tica desempenha um papel importante na determina\u00e7\u00e3o das propriedades internas da maioria dos objetos encontrados na vida cotidiana.\u00a0As propriedades qu\u00edmicas dos \u00e1tomos e mol\u00e9culas s\u00e3o determinadas pelo n\u00famero de pr\u00f3tons, de fato, pelo n\u00famero e disposi\u00e7\u00e3o dos\u00a0\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-particles\/what-is-electron-properties-of-electron\/\">el\u00e9trons<\/a>\u00a0.<\/p>\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 Gravitacional &#8211; For\u00e7a Gravitacional<\/h2>\n<p><strong>A gravidade<\/strong>\u00a0foi a primeira for\u00e7a a ser investigada cientificamente.\u00a0A\u00a0<a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/fundamental-interactions-fundamental-forces\/gravitational-interaction-gravitational-force\/gravitational-force-equation-formula\/\"><strong>for\u00e7a gravitacional<\/strong><\/a>\u00a0foi descrita sistematicamente por Isaac Newton no s\u00e9culo XVII.\u00a0Newton afirmou que a for\u00e7a gravitacional atua entre todos os objetos com massa (incluindo objetos que variam de \u00e1tomos e f\u00f3tons a planetas e estrelas) e \u00e9 diretamente proporcional \u00e0s massas dos corpos e inversamente proporcional ao quadrado da dist\u00e2ncia entre os corpos.\u00a0Como\u00a0<a href=\"https:\/\/www.nuclear-power.com\/laws-of-conservation\/law-of-conservation-of-energy\/conservation-of-mass-energy-mass-energy-equivalence\/\">energia e massa s\u00e3o equivalentes<\/a>\u00a0, todas as formas de energia (incluindo a luz) causam gravita\u00e7\u00e3o e est\u00e3o sob sua influ\u00eancia.\u00a0O alcance dessa for\u00e7a \u00e9 \u221e e \u00e9 mais fraco que as outras for\u00e7as.\u00a0Essa rela\u00e7\u00e3o \u00e9 mostrada na equa\u00e7\u00e3o abaixo.<\/p>\n<p><a href=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/gravitational-force-equation.png\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-23266 lazy-loaded\" src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/gravitational-force-equation.png\" alt=\"\" width=\"425\" height=\"199\" data-lazy-type=\"image\" data-src=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/gravitational-force-equation.png\" \/><\/a><\/p>\n<p>A equa\u00e7\u00e3o ilustra que, quanto maiores as massas dos objetos ou menor a dist\u00e2ncia entre os objetos, maior a\u00a0<strong>for\u00e7a gravitacional<\/strong>\u00a0.\u00a0Portanto, mesmo que as massas de n\u00facleons sejam muito pequenas, o fato de a dist\u00e2ncia entre os n\u00facleons ser extremamente curta pode tornar a for\u00e7a gravitacional significativa.\u00a0A for\u00e7a gravitacional entre dois pr\u00f3tons separados por uma dist\u00e2ncia de 10 a\u00a0<sup>20<\/sup>\u00a0metros \u00e9 de 10 a\u00a0<sup>24<\/sup>\u00a0newtons.\u00a0A gravidade \u00e9 a\u00a0<strong>mais fraca das quatro for\u00e7as fundamentais<\/strong>\u00a0da f\u00edsica, aproximadamente 10\u00a0<sup>38<\/sup>\u00a0vezes mais fraca que a for\u00e7a forte.\u00a0Por outro lado, a\u00a0<strong>gravidade \u00e9 aditiva<\/strong>.\u00a0Cada gr\u00e3o de mat\u00e9ria que voc\u00ea coloca em um n\u00f3dulo contribui para a gravidade geral geral do n\u00f3dulo.\u00a0Como tamb\u00e9m \u00e9 uma for\u00e7a de longo alcance, \u00e9 uma for\u00e7a dominante na escala macrosc\u00f3pica e \u00e9 a causa da forma\u00e7\u00e3o, forma e trajet\u00f3ria (\u00f3rbita) dos corpos astron\u00f4micos.<\/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 eletromagn\u00e9tica vs for\u00e7a gravitacional<\/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<\/div>\n<\/div>\n<p>&nbsp;<\/p>\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","protected":false},"excerpt":{"rendered":"<p>A for\u00e7a eletromagn\u00e9tica e a for\u00e7a gravitacional s\u00e3o duas das quatro for\u00e7as fundamentais.\u00a0Eles s\u00e3o muito diferentes.\u00a0Este artigo resume essas diferen\u00e7as. Intera\u00e7\u00e3o eletromagn\u00e9tica &#8211; for\u00e7a eletromagn\u00e9tica A\u00a0\u00a0for\u00e7a eletromagn\u00e9tica\u00a0\u00a0\u00e9 a for\u00e7a respons\u00e1vel por todos os processos eletromagn\u00e9ticos.\u00a0Atua entre part\u00edculas eletricamente carregadas.\u00a0\u00c9 uma for\u00e7a de alcance infinito, muito\u00a0\u00a0mais forte que a for\u00e7a gravitacional\u00a0, obedece \u00e0 lei do inverso &#8230; <a title=\"O que \u00e9 for\u00e7a eletromagn\u00e9tica vs for\u00e7a gravitacional &#8211; Defini\u00e7\u00e3o\" class=\"read-more\" href=\"https:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-forca-eletromagnetica-vs-forca-gravitacional-definicao\/\" aria-label=\"More on O que \u00e9 for\u00e7a eletromagn\u00e9tica vs for\u00e7a gravitacional &#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 eletromagn\u00e9tica vs for\u00e7a gravitacional - Defini\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"A for\u00e7a eletromagn\u00e9tica e a for\u00e7a gravitacional s\u00e3o duas das quatro for\u00e7as fundamentais. Eles s\u00e3o muito diferentes. Este artigo resume essas diferen\u00e7as.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-forca-eletromagnetica-vs-forca-gravitacional-definicao\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"O que \u00e9 for\u00e7a eletromagn\u00e9tica vs for\u00e7a gravitacional - Defini\u00e7\u00e3o\" \/>\n<meta property=\"og:description\" content=\"A for\u00e7a eletromagn\u00e9tica e a for\u00e7a gravitacional s\u00e3o duas das quatro for\u00e7as fundamentais. Eles s\u00e3o muito diferentes. Este artigo resume essas diferen\u00e7as.\" \/>\n<meta property=\"og:url\" content=\"http:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-forca-eletromagnetica-vs-forca-gravitacional-definicao\/\" \/>\n<meta property=\"og:site_name\" content=\"Radiation Dosimetry\" \/>\n<meta property=\"article:published_time\" content=\"2020-06-14T18:04:27+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-07-21T10:39:58+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/electrostatic-force-equation.png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\">\n\t<meta name=\"twitter:data1\" content=\"Nick Connor\">\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\">\n\t<meta name=\"twitter:data2\" content=\"3 minutos\">\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"http:\/\/www.radiation-dosimetry.org\/#website\",\"url\":\"http:\/\/www.radiation-dosimetry.org\/\",\"name\":\"Radiation Dosimetry\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":\"http:\/\/www.radiation-dosimetry.org\/?s={search_term_string}\",\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"pt-BR\"},{\"@type\":\"ImageObject\",\"@id\":\"http:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-forca-eletromagnetica-vs-forca-gravitacional-definicao\/#primaryimage\",\"inLanguage\":\"pt-BR\",\"url\":\"https:\/\/www.radiation-dosimetry.org\/wp-content\/uploads\/2019\/12\/electrostatic-force-equation.png\"},{\"@type\":\"WebPage\",\"@id\":\"http:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-forca-eletromagnetica-vs-forca-gravitacional-definicao\/#webpage\",\"url\":\"http:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-forca-eletromagnetica-vs-forca-gravitacional-definicao\/\",\"name\":\"O que \\u00e9 for\\u00e7a eletromagn\\u00e9tica vs for\\u00e7a gravitacional - Defini\\u00e7\\u00e3o\",\"isPartOf\":{\"@id\":\"http:\/\/www.radiation-dosimetry.org\/#website\"},\"primaryImageOfPage\":{\"@id\":\"http:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-forca-eletromagnetica-vs-forca-gravitacional-definicao\/#primaryimage\"},\"datePublished\":\"2020-06-14T18:04:27+00:00\",\"dateModified\":\"2020-07-21T10:39:58+00:00\",\"author\":{\"@id\":\"http:\/\/www.radiation-dosimetry.org\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\"},\"description\":\"A for\\u00e7a eletromagn\\u00e9tica e a for\\u00e7a gravitacional s\\u00e3o duas das quatro for\\u00e7as fundamentais. Eles s\\u00e3o muito diferentes. Este artigo resume essas diferen\\u00e7as.\",\"inLanguage\":\"pt-BR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"http:\/\/www.radiation-dosimetry.org\/pt-br\/o-que-e-forca-eletromagnetica-vs-forca-gravitacional-definicao\/\"]}]},{\"@type\":\"Person\",\"@id\":\"http:\/\/www.radiation-dosimetry.org\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\",\"name\":\"Nick Connor\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","_links":{"self":[{"href":"https:\/\/www.radiation-dosimetry.org\/pt-br\/wp-json\/wp\/v2\/posts\/17505"}],"collection":[{"href":"https:\/\/www.radiation-dosimetry.org\/pt-br\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.radiation-dosimetry.org\/pt-br\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.radiation-dosimetry.org\/pt-br\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.radiation-dosimetry.org\/pt-br\/wp-json\/wp\/v2\/comments?post=17505"}],"version-history":[{"count":0,"href":"https:\/\/www.radiation-dosimetry.org\/pt-br\/wp-json\/wp\/v2\/posts\/17505\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.radiation-dosimetry.org\/pt-br\/wp-json\/wp\/v2\/media?parent=17505"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.radiation-dosimetry.org\/pt-br\/wp-json\/wp\/v2\/categories?post=17505"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.radiation-dosimetry.org\/pt-br\/wp-json\/wp\/v2\/tags?post=17505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}