{"id":620,"date":"2018-06-13T08:00:06","date_gmt":"2018-06-13T11:00:06","guid":{"rendered":"https:\/\/museuweg.net\/blog\/?p=620"},"modified":"2026-02-09T15:45:17","modified_gmt":"2026-02-09T18:45:17","slug":"charles-de-coulomb-e-a-lei-da-forca-eletrica","status":"publish","type":"post","link":"https:\/\/museuweg.net\/blog\/charles-de-coulomb-e-a-lei-da-forca-eletrica\/","title":{"rendered":"Charles De Coulomb e a Lei da For\u00e7a El\u00e9trica"},"content":{"rendered":"

Neste 14 de junho, \u00e9 anivers\u00e1rio de ningu\u00e9m menos que Charles-Augustin de Coulomb. Esse f\u00edsico franc\u00eas nasceu na Fran\u00e7a em 1736 e fez uma importante contribui\u00e7\u00e3o para o estudo das ci\u00eancias exatas. Por isso, vamos contar a sua hist\u00f3ria no dia do seu anivers\u00e1rio.
\nA vida de Charles de Coulomb<\/strong>
\nC\u00e9lebre pelas suas descobertas nos campos da eletricidade e do magnetismo, Charles viveu nas \u00cdndias Ocidentais como engenheiro militar ao longo de nove anos. Nos intervalos de suas atividades profissionais, dedicava-se a investiga\u00e7\u00f5es sobre mec\u00e2nica aplicada.
\nQuando voltou \u00e0 Fran\u00e7a, se interessou por pesquisas em rela\u00e7\u00e3o \u00e0 eletricidade e ao magnetismo, principalmente por causa de um concurso feito pela Academia de Ci\u00eancias da Fran\u00e7a para a fabrica\u00e7\u00e3o de agulhas imantadas.
\nAp\u00f3s a publica\u00e7\u00e3o de in\u00fameros artigos de grande repercuss\u00e3o nos meios cient\u00edficos, tornou-se integrante da Academia em 1781.
\nContribui\u00e7\u00f5es para F\u00edsica<\/strong>
\nCoulomb construiu uma balan\u00e7a de tor\u00e7\u00e3o para medir a intensidade da for\u00e7a el\u00e9trica atuante sobre duas cargas el\u00e9tricas colocadas a uma determinada dist\u00e2ncia uma da outra.<\/p>\n

E atrav\u00e9s da realiza\u00e7\u00e3o dessa experi\u00eancia, verificou que a lei da atra\u00e7\u00e3o universal de Newton tamb\u00e9m se aplicava \u00e0 eletricidade.
\nSeus estudos o levaram a “Lei de Coulomb”, assim denominada em sua homenagem, que determina a for\u00e7a de intera\u00e7\u00e3o el\u00e9trica entre materiais portadores de cargas.<\/p>\n

\"coloumb-2\"<\/a><\/p>\n

 <\/p>\n

A Lei de Coulomb foi enunciada como:<\/strong>
\n\u201cA for\u00e7a de atra\u00e7\u00e3o ou de repuls\u00e3o entre duas cargas \u00e9 diretamente proporcional ao produto do m\u00f3dulo das cargas el\u00e9tricas e \u00e9 inversamente proporcional ao quadrado da dist\u00e2ncia entre elas\u201d.
\nAnaliticamente, \u00e9 expressa a seguir:<\/strong>
\nF= K x (Q1xQ2)|d2
\nF = for\u00e7a de intera\u00e7\u00e3o el\u00e9trica entre dois portadores de carga (N \u2013 newton);
\nQ1 e Q2 = cargas el\u00e9tricas (C \u2013 coulomb);
\nd = dist\u00e2ncia entre as cargas el\u00e9tricas (m);
\nK = permissividade el\u00e9trica do v\u00e1cuo (k = 9,0 x 109 N.m2.C \u2013 2).
\nOs resultados de suas pesquisas foram publicados entre 1785 e 1789 na M\u00e9moires de l’Acad\u00e9mie Royale des Sciences.<\/p>\n

Suas contribui\u00e7\u00f5es para os estudos da eletricidade e do magnetismo fizeram com que estas \u00e1reas fossem consideradas parte das ci\u00eancias exatas e n\u00e3o da filosofia, como acontecia at\u00e9 ent\u00e3o.<\/p>\n

Charles Augustin de Coulomb morreu em Paris, no dia 23 de agosto de 1806, aos 70 anos de idade.<\/p>\n

Fonte: S\u00f3 F\u00edsica e Mundo Educa\u00e7\u00e3o<\/p>\n","protected":false},"excerpt":{"rendered":"

Neste 14 de junho, \u00e9 anivers\u00e1rio de ningu\u00e9m menos que Charles-Augustin de Coulomb. Esse f\u00edsico franc\u00eas nasceu na Fran\u00e7a em…<\/p>\n","protected":false},"author":4,"featured_media":621,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,3],"tags":[223,224,12,81,77,182,40,83,131,22],"class_list":["post-620","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ciencia-2","category-eletricidade","tag-campos-da-eletricidade","tag-charles-de-coulomb","tag-ciencia","tag-descoberta","tag-eletricidade-2","tag-fisica","tag-jaragua-do-sul","tag-magnetismo-2","tag-museu-jaragua-do-sul","tag-museu-weg"],"yoast_head":"\nCharles De Coulomb e a Lei da For\u00e7a El\u00e9trica - Blog com Ci\u00eancia<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/museuweg.net\/blog\/charles-de-coulomb-e-a-lei-da-forca-eletrica\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Charles De Coulomb e a Lei da For\u00e7a El\u00e9trica - Blog com Ci\u00eancia\" \/>\n<meta property=\"og:description\" content=\"Neste 14 de junho, \u00e9 anivers\u00e1rio de ningu\u00e9m menos que Charles-Augustin de Coulomb. 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