{"id":433,"date":"2017-11-08T08:52:09","date_gmt":"2017-11-08T11:52:09","guid":{"rendered":"https:\/\/museuweg.net\/blog\/?p=433"},"modified":"2026-02-09T15:45:03","modified_gmt":"2026-02-09T18:45:03","slug":"o-magnetismo-e-sua-relacao-com-o-motor","status":"publish","type":"post","link":"https:\/\/museuweg.net\/blog\/o-magnetismo-e-sua-relacao-com-o-motor\/","title":{"rendered":"O magnetismo e sua rela\u00e7\u00e3o com o motor"},"content":{"rendered":"<p>Certamente voc\u00ea j\u00e1 ouviu \u2013 e tamb\u00e9m usou &#8211; aquela famosa express\u00e3o \u201cp\u00f3los iguais se repelem e os diferentes se atraem\u201d. Na verdade, essa frase resume a ess\u00eancia das propriedades dos \u00edm\u00e3s. Formados por duas extremidades, os p\u00f3los norte e sul, s\u00e3o chamados assim em refer\u00eancia ao campo magn\u00e9tico da Terra.<\/p>\n<p>Sua import\u00e2ncia \u00e9 tal que o \u00edm\u00e3 tem uma \u00e1rea exclusiva para estudar os fen\u00f4menos, denominada magnetismo. Os primeiros estudos surgiram no s\u00e9culo VI a.C., mas foi no s\u00e9culo VI que ela passou a ser aplicada na pr\u00e1tica, com os chineses. A b\u00fassola foi a primeira inven\u00e7\u00e3o baseada na intera\u00e7\u00e3o do campo magn\u00e9tico de um \u00edm\u00e3 (a agulha) com o campo magn\u00e9tico terrestre.<\/p>\n<p><a href=\"https:\/\/museuweg.net\/blog\/wp-content\/uploads\/2017\/10\/giphy.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-435\" src=\"https:\/\/museuweg.net\/blog\/wp-content\/uploads\/2017\/10\/giphy.gif\" alt=\"magnetismo\" width=\"500\" height=\"213\" \/><\/a><\/p>\n<p>At\u00e9 o s\u00e9culo XIX, magnetismo e eletricidade eram considerados fen\u00f4menos completamente distintos. Quando essa rela\u00e7\u00e3o passou a ser feita provocou uma verdadeira revolu\u00e7\u00e3o nas pesquisas. Surgia a teoria do eletromagnetismo, segundo a qual cargas el\u00e9tricas em movimento geram campo magn\u00e9tico e este em movimento gera corrente el\u00e9trica.<\/p>\n<p>A partir da\u00ed, foi um boom de inven\u00e7\u00f5es que mudariam o curso da hist\u00f3ria, a come\u00e7ar pelos <a href=\"https:\/\/museuweg.net\/blog\/a-incrivel-transformacao-dos-motores-no-seu-dia-a-dia\/#content\">motores el\u00e9tricos<\/a>, que impulsionaram a era industrial no planeta. A produ\u00e7\u00e3o de energia nas usinas hidrel\u00e9tricas, raios-X, cart\u00f5es magn\u00e9ticos, ondas de r\u00e1dio e televis\u00e3o, aparelhos de telecomunica\u00e7\u00e3o. As ondas eletromagn\u00e9ticas est\u00e3o presentes onde quer que seja e fazem o mundo funcionar.<br \/>\nVenha conhecer mais sobre essa \u00e1rea da ci\u00eancia aqui no Museu!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Certamente voc\u00ea j\u00e1 ouviu \u2013 e tamb\u00e9m usou &#8211; aquela famosa express\u00e3o \u201cp\u00f3los iguais se repelem e os diferentes se&#8230;<\/p>\n","protected":false},"author":4,"featured_media":434,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[55,12,77,84,83,82,9,22,13],"class_list":["post-433","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-magnetismo","tag-bussola","tag-ciencia","tag-eletricidade-2","tag-ima","tag-magnetismo-2","tag-motores-eletricos","tag-museu","tag-museu-weg","tag-tecnologia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>O magnetismo e sua rela\u00e7\u00e3o com o motor - 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