{"id":126239,"date":"2024-10-01T07:00:00","date_gmt":"2024-10-01T10:00:00","guid":{"rendered":"https:\/\/vestibulares.estrategia.com\/portal\/?p=126239"},"modified":"2024-10-15T09:30:21","modified_gmt":"2024-10-15T12:30:21","slug":"gravitacao-universal","status":"publish","type":"post","link":"https:\/\/vestibulares.estrategia.com\/portal\/materias\/fisica\/gravitacao-universal\/","title":{"rendered":"Gravita\u00e7\u00e3o Universal: lei de Newton, f\u00f3rmulas e caracter\u00edsticas"},"content":{"rendered":"<p class=\"wp-block-paragraph\">O conhecimento sobre o <span id=\"urn:local-annotation-658251\" class=\"textannotation disambiguated\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/sistema-solar\">sistema solar<\/span> abrange diferentes &aacute;reas da <span id=\"urn:enhancement-ab0282da-64ef-4813-9047-5bf27a1f028e\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/ciencia\">ci&ecirc;ncia<\/span>, entre <span id=\"urn:enhancement-40f05747-6aa1-4516-8794-d6811d8ec16e\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/matematica\">matem&aacute;tica<\/span>, <span id=\"urn:enhancement-9d3aa451-e3d9-488a-82bd-b83eccb58625\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/fisica\">f&iacute;sica<\/span>, <span id=\"urn:enhancement-83d1e8b9-033b-4df7-9a46-8fa227592f30\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/astronomia-2\">astronomia<\/span> e outros t&oacute;picos. A <span id=\"urn:local-annotation-159414\" class=\"textannotation disambiguated\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/lei-da-gravitacao-universal\">Gravita&ccedil;&atilde;o Universal<\/span> foi uma lei proposta por <span id=\"urn:enhancement-196f5270-4ae4-4d6e-907c-bff01000e08c\" class=\"textannotation disambiguated wl-person\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/isaac-newton\">Isaac Newton<\/span> que explica, em muitos sentidos, a <span id=\"urn:enhancement-81f69573-5164-41da-a4be-571f7a5adafe\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/orbita\">&oacute;rbita<\/span> dos planetas, a acelera&ccedil;&atilde;o da <span id=\"urn:enhancement-48002c44-092d-4771-b841-60673ecff243\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/gravidade\">gravidade<\/span>, a rela&ccedil;&atilde;o dos planetas com o sol e outros t&oacute;picos.<p class=\"wp-block-paragraph\">Embora esse assunto pare&ccedil;a muito distante da realidade humana, &eacute; importante reconhecer que a rela&ccedil;&atilde;o da <span id=\"urn:enhancement-78f325c0-0a4e-4e66-8e57-71214d716782\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/terra\">Terra<\/span> com o Sol &eacute; que propicia o desenvolvimento da vida, a forma como o planeta <span id=\"urn:enhancement-15ac15e2-0f4f-4019-91af-c9dfcfdc83ec\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/orbita\">orbita<\/span>, faz <span id=\"urn:enhancement-87230ac7-cb94-428d-8d65-d8dd0d831e3b\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/translacao\">transla&ccedil;&atilde;o<\/span> e <span id=\"urn:enhancement-2630c7dd-0c11-4759-b04c-b52a1f89f769\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/rotacao\">rota&ccedil;&atilde;o<\/span>, determina o calend&aacute;rio ocidental, esta&ccedil;&otilde;es do ano, entre outros aspectos que t&ecirc;m associa&ccedil;&atilde;o direta com o cotidiano da sociedade humana.&nbsp;<\/p><p class=\"wp-block-paragraph\">Como o tema tem relev&acirc;ncia para diferentes contextos da vida humana, muitos vestibulares cobram conhecimento geral e espec&iacute;fico sobre a Gravita&ccedil;&atilde;o Universal, principalmente em rela&ccedil;&atilde;o &agrave;s f&oacute;rmulas e aplica&ccedil;&otilde;es. Este artigo visa te ajudar na constru&ccedil;&atilde;o desse conhecimento e, ainda, h&aacute; uma quest&atilde;o de prova com coment&aacute;rios e gabarito, para elucidar como o assunto pode ser cobrado nos vestibulares nacionais. Aproveite!<\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">Navegue pelo conte\u00fado<\/p>\n<\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/fisica\/gravitacao-universal\/#Lei-da-Gravitacao-Universal\" >Lei da Gravita&ccedil;&atilde;o Universal<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/fisica\/gravitacao-universal\/#Aplicacoes-da-Lei-da-Gravitacao-Universal\" >Aplica&ccedil;&otilde;es da Lei da Gravita&ccedil;&atilde;o Universal&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/fisica\/gravitacao-universal\/#Questao-de-vestibular-sobre-Gravitacao-Universal\" >Quest&atilde;o de vestibular sobre Gravita&ccedil;&atilde;o Universal<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/fisica\/gravitacao-universal\/#Estude-mais-com-a-Coruja\" >Estude mais com a Coruja!<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-lei-da-gravitacao-universal\"><span class=\"ez-toc-section\" id=\"Lei-da-Gravitacao-Universal\"><\/span>Lei da Gravita&ccedil;&atilde;o Universal<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">A <span id=\"urn:local-annotation-532754\" class=\"textannotation disambiguated\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/lei-da-gravitacao-universal\">Lei da Gravita&ccedil;&atilde;o Universal<\/span> diz respeito &agrave; intera&ccedil;&atilde;o entre dois corpos de <span id=\"urn:enhancement-e4baf026-84b8-4f6b-94d6-893719a40bb0\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/massa\">massa<\/span> m<sub>1<\/sub> e m<sub>2<\/sub> que podem se atrair mutuamente, quando separados por uma <span id=\"urn:enhancement-40df252b-d7bc-4a6b-8a33-5255ea35f4d3\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/distancia\">dist&acirc;ncia<\/span> d. Ela est&aacute; descrita de maneira que as massas s&atilde;o <span id=\"urn:enhancement-86fee4af-01b5-4877-b230-71ac906969fe\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/diretamente-proporcionais\">diretamente proporcionais<\/span> &agrave; intensidade dessa atra&ccedil;&atilde;o, enquanto que &eacute; <span id=\"urn:enhancement-efcf76ce-63dd-41f7-8fc7-ecc2e74f90a6\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/proporcao\">inversamente proporcional<\/span> &agrave; <span id=\"urn:enhancement-cb0d5944-759b-4874-beab-2dddc3979705\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/distancia\">dist&acirc;ncia<\/span> entre os corpos.<\/p><p class=\"wp-block-paragraph\">Isso significa que, quanto maior forem as massas m<sub>1<\/sub> e m<sub>2<\/sub>, maior ser&aacute; a <span id=\"urn:enhancement-9a29d637-1feb-4c8d-ba10-24c72308e850\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/forca\">for&ccedil;a<\/span> de atra&ccedil;&atilde;o gravitacional. E, quanto mais pr&oacute;ximo estiverem os dois objetos observados, mais forte ser&atilde;o atra&iacute;dos, assim como quando est&atilde;o mais distantes, menos t&ecirc;m influ&ecirc;ncia um sobre o outro.&nbsp;<\/p><p class=\"wp-block-paragraph\">A Lei da Gravita&ccedil;&atilde;o Universal tem total rela&ccedil;&atilde;o com o campo gravitacional, uma &aacute;rea ao redor de uma <span id=\"urn:enhancement-bf016843-545a-4aab-bfc0-d2a09c88c62f\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/massa\">massa<\/span> em que ela exerce <span id=\"urn:local-annotation-236971\" class=\"textannotation disambiguated\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/forca-de-atracao\">for&ccedil;a de atra&ccedil;&atilde;o<\/span>. Por exemplo, o campo gravitacional da <span id=\"urn:enhancement-56abdd0b-955c-4e4b-997a-7dbac2b020d3\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/terra\">Terra<\/span> &eacute; respons&aacute;vel pela <a href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/fisica\/gravidade\/\" target=\"_blank\">acelera&ccedil;&atilde;o da gravidade<\/a>, que &eacute; o que mant&eacute;m toda a humanidade &ldquo;colada&rdquo; &agrave; superf&iacute;cie do planeta.&nbsp;<\/p><h3 class=\"wp-block-heading\" id=\"h-formula-da-lei-da-gravitacao-universal\">F&oacute;rmula da Lei da Gravita&ccedil;&atilde;o Universal<\/h3><p class=\"wp-block-paragraph\">Quando a Lei da Gravita&ccedil;&atilde;o Universal foi descoberta e enunciada, observou-se que &eacute; poss&iacute;vel calcular essa atratividade entre os dois corpos por meio de uma f&oacute;rmula, que &eacute; descrita como &ldquo;a <span id=\"urn:enhancement-d4d73d41-77e2-4f9d-882d-90cdb2bb6c8b\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/forca\">for&ccedil;a<\/span> &eacute; <span id=\"urn:enhancement-b95d38f7-84e1-4068-825f-f2b6e83a513c\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/proporcao\">diretamente proporcional<\/span> ao produto de suas massas e <span id=\"urn:enhancement-be3438f6-a2f2-4012-88c9-4b7d99b5b810\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/proporcao\">inversamente proporcional<\/span> ao quadrado da <span id=\"urn:enhancement-34884b8c-21dc-431a-ad6d-13e29e88ebeb\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/distancia\">dist&acirc;ncia<\/span> que os separa&rdquo;.<\/p><p class=\"has-text-align-center wp-block-paragraph\">F = G.(m<sub>1<\/sub>.m<sub>2<\/sub>)\/d<sup>2<\/sup><\/p><p class=\"has-text-align-center wp-block-paragraph\">G = <span id=\"urn:enhancement-87bbf489-23d4-4627-9a8b-4ecf02b27737\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/constante-de-gravitacao-universal\">constante de gravita&ccedil;&atilde;o universal<\/span>;<\/p><p class=\"has-text-align-center wp-block-paragraph\">m<sub>1<\/sub> = <span id=\"urn:enhancement-c1d9b834-e2b9-4da2-b7af-36ed15c7608a\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/massa\">massa<\/span> do primeiro corpo observado, em quilogramas (kg);<\/p><p class=\"has-text-align-center wp-block-paragraph\">m<sub>2<\/sub> = <span id=\"urn:enhancement-46b56844-f651-446a-856e-27f9e9148cfe\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/massa\">massa<\/span> do segundo corpo observado, em quilogramas (kg);<\/p><p class=\"has-text-align-center wp-block-paragraph\">d = <span id=\"urn:enhancement-230d6490-d485-4524-a2c6-1aae0d3de2f6\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/distancia\">dist&acirc;ncia<\/span> entre os corpos 1 e 2, em metros (m).<\/p><h4 class=\"wp-block-heading\" id=\"h-constante-de-gravitacao-universal\">Constante de gravita&ccedil;&atilde;o universal<\/h4><p class=\"wp-block-paragraph\">Um dos elementos da f&oacute;rmula acima &eacute; a <span id=\"urn:enhancement-40455c41-74f1-4dcb-a90c-89943a356e21\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/constante-de-gravitacao-universal\">constante de gravita&ccedil;&atilde;o universal<\/span>, que foi encontrada a partir de estudos observacionais, ent&atilde;o tem um valor fixo que n&atilde;o muda, em que que G = 6,67408.10-11 N.kg2\/m2.&nbsp;<\/p><h3 class=\"wp-block-heading\" id=\"h-relacao-com-a-forca-peso\">Rela&ccedil;&atilde;o com a for&ccedil;a peso<\/h3><p class=\"wp-block-paragraph\">A f&oacute;rmula fornece o m&oacute;dulo de uma <span id=\"urn:enhancement-8930d9b6-5298-471a-8b30-855950a768d2\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/forca\">for&ccedil;a<\/span> vetorial F que, em geral, &eacute; chamada de <span id=\"urn:enhancement-43a1f82e-cf9c-4255-9390-321e0a31e4eb\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/forca\">for&ccedil;a<\/span> peso e tem rela&ccedil;&atilde;o com a acelera&ccedil;&atilde;o da <span id=\"urn:enhancement-a31f4df5-2b98-443b-800d-486c3511289f\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/gravidade\">gravidade<\/span>.<\/p><p class=\"has-text-align-center wp-block-paragraph\">P = m.g&nbsp;<\/p><p class=\"has-text-align-center wp-block-paragraph\">P = <span id=\"urn:enhancement-3c6bcada-b537-42d6-b168-c129d4368b91\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/forca\">for&ccedil;a<\/span> peso;<\/p><p class=\"has-text-align-center wp-block-paragraph\">m = <span id=\"urn:enhancement-07b9365a-db3c-4892-8ed7-556e5987f1ee\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/massa\">massa<\/span> de um corpo que est&aacute; sob a&ccedil;&atilde;o da acelera&ccedil;&atilde;o da <span id=\"urn:enhancement-d3dd72eb-b513-4345-8353-b5f6bd9eab79\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/gravidade\">gravidade<\/span>;<\/p><p class=\"has-text-align-center wp-block-paragraph\">g = acelera&ccedil;&atilde;o da <span id=\"urn:enhancement-ab318d03-69d5-4fdc-8877-503e32274f59\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/gravidade\">gravidade<\/span> em um ponto do espa&ccedil;o, relacionada ao campo gravitacional.<\/p><p class=\"wp-block-paragraph\">Nesse sentido, fica evidente o quanto a Lei da Gravita&ccedil;&atilde;o Universal tem import&acirc;ncia no dia a dia. Afinal, nos estudos de <span id=\"urn:enhancement-c2f786ec-39b2-41bf-8e22-9fe5c3bd3e40\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/fisica\">f&iacute;sica<\/span> b&aacute;sica, a <span id=\"urn:enhancement-627b3d24-276b-4a69-b532-f92a0f24b9e1\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/forca\">for&ccedil;a<\/span> peso tem grande relev&acirc;ncia para compreender a queda de objetos, como os corpos ficam parados em cima de uma mesa, at&eacute; mesmo o movimento de andar tem rela&ccedil;&atilde;o com a <span id=\"urn:enhancement-f5ab0734-6ff3-498d-9308-b28a2955c6d6\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/gravidade\">gravidade<\/span>, <span id=\"urn:enhancement-0915054b-54be-43b0-972a-ddb61186f223\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/forca\">for&ccedil;a<\/span> peso e, consequentemente, da gravita&ccedil;&atilde;o universal.&nbsp;<\/p><h2 class=\"wp-block-heading\" id=\"h-aplicacoes-da-lei-da-gravitacao-universal-nbsp\"><span class=\"ez-toc-section\" id=\"Aplicacoes-da-Lei-da-Gravitacao-Universal\"><\/span>Aplica&ccedil;&otilde;es da Lei da Gravita&ccedil;&atilde;o Universal&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">A Gravita&ccedil;&atilde;o Universal &eacute; que determina, por exemplo, que os planetas orbitam em torno do Sol. O sol possui uma <span id=\"urn:enhancement-59062282-9d6d-4107-94db-fccc6760de23\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/massa\">massa<\/span> muito grande, que gera um grande campo gravitacional, que atrai os corpos sat&eacute;lites em dire&ccedil;&atilde;o a ele.<\/p><p class=\"wp-block-paragraph\">Assim, todos os planetas como Merc&uacute;rio, V&ecirc;nus, <span id=\"urn:enhancement-0c6c3d1d-f2cb-44f6-8193-b32482177f37\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/terra\">Terra<\/span>, Marte, J&uacute;piter, Saturno, Urano e Netuno ficam &ldquo;presos&rdquo; em torno da grande estrela. Com isso, quando um planeta completa uma volta completa ao redor do Sol, &eacute; considerado um ano do <span id=\"urn:enhancement-bf46fb85-2e12-4474-8c38-56fb081abf1c\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/calendario-solar\">calend&aacute;rio solar<\/span>. A <span id=\"urn:enhancement-675e4d6d-80b0-43fc-9967-1226dbd15798\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/terra\">Terra<\/span>, por exemplo, demora 365 dias para completar uma <span id=\"urn:enhancement-fa33b1ce-8d69-4173-b9c5-feafc7036b1e\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/orbita\">&oacute;rbita<\/span>.&nbsp;<\/p><p class=\"wp-block-paragraph\">A Lua tamb&eacute;m &eacute; atra&iacute;da pelo campo gravitacional da <span id=\"urn:enhancement-53cfba0a-3a3f-4b53-bd14-89b157bae95e\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/terra\">Terra<\/span>, e por isso ela <span id=\"urn:enhancement-40aacadb-7a41-4e21-add7-f8537324d423\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/orbita\">orbita<\/span> ao redor do planeta ao longo do ano. Por sua vez, a lua completa uma <span id=\"urn:enhancement-ffb2e9de-b43c-40cc-8554-25ceec138384\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/orbita\">&oacute;rbita<\/span> em cerca de 30 dias, que &eacute; a dura&ccedil;&atilde;o de um m&ecirc;s.&nbsp;<\/p><h2 class=\"wp-block-heading\" id=\"h-questao-de-vestibular-sobre-gravitacao-universal\"><span class=\"ez-toc-section\" id=\"Questao-de-vestibular-sobre-Gravitacao-Universal\"><\/span>Quest&atilde;o de vestibular sobre Gravita&ccedil;&atilde;o Universal<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">Unesp 2022<\/p><p class=\"wp-block-paragraph\">A imagem mostra o exoplaneta 2M1207b em <span id=\"urn:enhancement-26256fe0-f03c-4298-b802-b5eb5bc5c111\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/orbita\">&oacute;rbita<\/span> ao redor de sua estrela 2M1207 na constela&ccedil;&atilde;o de Centauro, distantes 40 UA um do outro. Esse &eacute; o primeiro exoplaneta do qual se obteve uma imagem direta. Em compara&ccedil;&atilde;o com objetos do <a href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/geografia\/sistema-solar\/\">sistema solar<\/a>, sabe-se que esse exoplaneta tem uma <span id=\"urn:enhancement-61ae0ae4-6124-4125-8d1f-b8daad2a347f\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/massa\">massa<\/span> correspondente a 5 vezes a <span id=\"urn:enhancement-428f474a-3c89-48b1-875a-81ef53229ace\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/massa\">massa<\/span> do planeta J&uacute;piter e que sua estrela tem <span id=\"urn:enhancement-07592eff-0fd9-45ad-8622-b9fa6feb3cea\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/massa\">massa<\/span> igual a 0,025 vezes a <span id=\"urn:enhancement-da01da3e-8847-4ed2-ae6b-7673f7be4289\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/massa\">massa<\/span> do Sol.<\/p><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXc5EZo4ACtHqrIvuoIbvNttUm5h_5gOSZUoQNuo9BVrykFte6W76x0MymBNTLv1FONSAepH9MnbNyGiXn9q6DEcilfAt_ZMsGtsQJfGMWJyDpXSlX__ttPQ4crYmUnUF1d9K6djswC8ututq0Gop-kZFCd0?key=nafw6iEyKi-YL_NFzNo_Yw\" alt=\"\"><figcaption class=\"wp-element-caption\">(https:\/\/cdn.eso.org. Adaptado.)<\/figcaption><\/figure><p class=\"wp-block-paragraph\">Considere os seguintes dados:<br><span id=\"urn:enhancement-61537654-7d94-494d-a6b2-f3cdeca72b47\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/massa\">Massa<\/span> do Sol: 2 &times; 10&sup3;&#8304; kg<br><span id=\"urn:enhancement-29463601-fcf1-48b6-83c8-4eda9f1b9c53\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/massa\">Massa<\/span> de J&uacute;piter: 2 &times; 10&sup2;&#8311; kg<br>1 UA: 1,5 &times; 10&sup1;&sup1; m<br>G = constante universal da gravita&ccedil;&atilde;o&nbsp;<\/p><p class=\"wp-block-paragraph\">A intensidade da <span id=\"urn:enhancement-23453f60-6cf3-47d1-b468-28abf71c9a50\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/forca\">for&ccedil;a<\/span> de atra&ccedil;&atilde;o gravitacional entre o exoplaneta 2M1207b e sua estrela &eacute; de, aproximadamente<\/p><p class=\"wp-block-paragraph\"><strong>A) <\/strong>8,3 &times; 10&sup2;&#8304; N.<br><strong>B) <\/strong>5,0 &times; 10&sup2;&#8304; N.<br><strong>C) <\/strong>2,5 &times; 10&sup2;&sup1; N.<br><strong>D) <\/strong>3,6 &times; 10&sup2;&sup1; N.<br><strong>E) <\/strong>4,4 &times; 10&sup2;&sup1; N.<\/p><details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Resposta<\/summary>\n<p class=\"wp-block-paragraph\">A intensidade da <span id=\"urn:enhancement-dd404986-bba1-448d-82ce-81d6e109630a\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/forca\">for&ccedil;a<\/span> de atra&ccedil;&atilde;o gravitacional &eacute; dada pela Lei de <span id=\"urn:enhancement-65de4326-7b39-42a1-b3e6-b0ca19ae74bb\" class=\"textannotation disambiguated wl-person\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/isaac-newton\">Newton<\/span> da Gravita&ccedil;&atilde;o Universal.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">F = G.(m<sub>1<\/sub>.m<sub>2<\/sub>)\/d<sup>2<\/sup><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" fetchpriority=\"low\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXc7J-ncHIdsJEIY-EEP5yUVHRMH66rRM0-pBXv7dWahY-Yq-EX8C77vk95gzfC2gUCfzv7Kh3PMLn5Oc-ksI26HQ7cHJdZIVvLCk8j6ShT9-I0h_hfxtqHlv2b-k-sr01ndv6-Vb1tN6TevKfn0A3hTkOk?key=nafw6iEyKi-YL_NFzNo_Yw\" alt=\"\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Al&eacute;m disso, como 1 UA = 1,5 &sdot; 10&sup1;&sup1; m, ent&atilde;o:&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">d = 40 UA = 40 &sdot; 1,5 &sdot; 10&sup1;&sup1; = 60 &sdot; 10&sup1;&sup1; m&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Com estes valores, a <span id=\"urn:enhancement-b7df1934-f4cc-443d-be98-1e1dc63b3b11\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/forca\">for&ccedil;a<\/span> fica:<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" fetchpriority=\"low\" src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXcSDKDhk3IgHQI_tlXh3LCCrIPEDKDUVgycgY8W7DDKc7HiukIaul5_lBFxi0vsmUma8szz-aL3HXrbYLnQ1AHPA0wZh86er1vrJoC7DajaYQ0K0u1Zn6g18iHXt10INaSAZLvQBU8CUhlqDucFrJTOd_5f?key=nafw6iEyKi-YL_NFzNo_Yw\" alt=\"\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Alternativa correta: <\/strong>A.&nbsp;<\/p>\n<\/details><h2 class=\"wp-block-heading\" id=\"h-estude-mais-com-a-coruja\"><span class=\"ez-toc-section\" id=\"Estude-mais-com-a-Coruja\"><\/span>Estude mais com a Coruja!<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">O Estrat&eacute;gia Vestibulares &eacute; uma plataforma de estudo com milhares de quest&otilde;es de vestibulares respondidas de todo o Pa&iacute;s. O<a href=\"https:\/\/vestibulares.estrategiaeducacional.com.br\/\" target=\"_blank\" rel=\"noopener noreferrer\"> Banco de Quest&otilde;es<\/a> abrange todas as disciplinas, com resolu&ccedil;&atilde;o de professores especialistas e muitos v&iacute;deos explicativos.<\/p><p class=\"wp-block-paragraph\">Nos cursos preparat&oacute;rios da Coruja, voc&ecirc; ter&aacute; acesso a aulas espec&iacute;ficas, de acordo com o conte&uacute;do program&aacute;tico de cada disciplina, com <span id=\"urn:enhancement-98050136-16a7-44b9-9895-237a07aa748b\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/material\">material<\/span> did&aacute;tico de qualidade, em diferentes plataformas multim&iacute;dias. Clique no banner abaixo e saiba mais!<\/p><p class=\"wp-block-paragraph\"><a id=\"cta\" class=\"cta-imagem\" href=\"https:\/\/vestibulares.estrategia.com\/cursos\/\" target=\"blank\">\n                <img decoding=\"async\" width=\"100%\" src=\"https:\/\/vestibulares.estrategia.com\/portal\/wp-content\/uploads\/2022\/08\/pacotes-intensivos-cta.jpeg\" alt=\"pacotes-intensivos-cta\" title=\"pacotes-intensivos-cta\">\n        <\/a>\n\n\n<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"O conhecimento sobre o sistema solar abrange diferentes &aacute;reas da ci&ecirc;ncia, entre matem&aacute;tica, f&iacute;sica, astronomia e outros t&oacute;picos.&hellip;\n","protected":false},"author":23,"featured_media":126225,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28],"tags":[],"class_list":["post-126239","post","type-post","status-publish","format-standard","has-post-thumbnail","category-fisica"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.9 (Yoast SEO v28.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Gravita\u00e7\u00e3o Universal: lei de Newton, f\u00f3rmulas e caracter\u00edsticas<\/title>\n<meta name=\"description\" content=\"A Gravita\u00e7\u00e3o Universal foi uma lei proposta por Isaac Newton que explica, a \u00f3rbita dos planetas e a acelera\u00e7\u00e3o da gravidade, conhe\u00e7a!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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