{"id":312,"date":"2017-04-27T16:23:25","date_gmt":"2017-04-27T19:23:25","guid":{"rendered":"https:\/\/museuweg.net\/blog\/?p=312"},"modified":"2026-02-09T15:37:41","modified_gmt":"2026-02-09T18:37:41","slug":"voce-conhece-gerador-de-van-de-graaff","status":"publish","type":"post","link":"https:\/\/museuweg.net\/blog\/voce-conhece-gerador-de-van-de-graaff\/","title":{"rendered":"Voc\u00ea conhece gerador de Van de Graaff?"},"content":{"rendered":"<p>Um dos equipamentos que mais faz sucesso no Museu WEG de Ci\u00eancia e Tecnologia \u00e9 o gerador eletrost\u00e1tico. Aquele, conhecido por dar pequenos choques, lembra? Tamb\u00e9m chamado de Gerador Van de Graaff, \u00e9 um importante aliado no aprendizado de f\u00edsica.<\/p>\n<p>Assim como muitos inventos, este tamb\u00e9m leva o nome do seu criador. O f\u00edsico e engenheiro mec\u00e2nico Robert Jeminson Van de Graaff foi um entusiasta na \u00e1rea de f\u00edsica nuclear, com destaque para a cria\u00e7\u00e3o do gerador eletrost\u00e1tico, em 1929.<\/p>\n<p>Um dos princ\u00edpios b\u00e1sicos de Van de Graaff, explica a capacidade da carga el\u00e9trica se transferir integralmente de um corpo para outro. \u00c9 por isso que quando uma pessoa leva um choque, por exemplo, voc\u00ea nunca deve encostar nela. A orienta\u00e7\u00e3o \u00e9 usar um isolante para puxar o indiv\u00edduo, porque caso tenha contato direto, voc\u00ea tamb\u00e9m recebe a carga el\u00e9trica.<\/p>\n<p><strong>Como funciona<\/strong><\/p>\n<p>O gerador \u00e9 um sistema composto por uma esfera met\u00e1lica, uma correia, que passa por duas polias e \u00e9 ligada a um motor de alta tens\u00e3o.<\/p>\n<p>Quando acionado o motor, a correia faz atrito com a polia, gerando uma carga el\u00e9trica, que \u00e9 transferida para a superf\u00edcie interna do metal e ent\u00e3o, distribu\u00edda para toda a superf\u00edcie da esfera met\u00e1lica. Por isso, ao encostar o dedo ou um objeto de metal na esfera, \u00e9 poss\u00edvel perceber as descargas el\u00e9tricas. O modelo tem capacidade de gerar at\u00e9 10 milh\u00f5es de eletr\u00f3n-volts.<\/p>\n<p>O gerador foi um percursor para cria\u00e7\u00e3o de equipamentos semelhantes e mais modernos, mas com muita import\u00e2ncia para a ci\u00eancia.<\/p>\n<p><a href=\"https:\/\/museuweg.net\/blog\/wp-content\/uploads\/2017\/04\/Gerador_museu.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-313\" src=\"https:\/\/museuweg.net\/blog\/wp-content\/uploads\/2017\/04\/Gerador_museu.png\" alt=\"Gerador_museu\" width=\"770\" height=\"526\" srcset=\"https:\/\/museuweg.net\/blog\/wp-content\/uploads\/2017\/04\/Gerador_museu.png 1282w, https:\/\/museuweg.net\/blog\/wp-content\/uploads\/2017\/04\/Gerador_museu-300x204.png 300w, https:\/\/museuweg.net\/blog\/wp-content\/uploads\/2017\/04\/Gerador_museu-1100x751.png 1100w\" sizes=\"auto, (max-width: 770px) 100vw, 770px\" \/><\/a><\/p>\n<p><strong>Conhe\u00e7a na pr\u00e1tica <\/strong><\/p>\n<p>Em algumas \u00e1reas da F\u00edsica \u00e9 necess\u00e1rio obter altas voltagens, para acelerar part\u00edculas at\u00f4micas eletrizadas, como pr\u00f3tons, el\u00e9trons, \u00edons. Ao atingir grandes velocidades, essas part\u00edculas s\u00e3o lan\u00e7adas para n\u00facleos at\u00f4micos e provocam rea\u00e7\u00f5es nucleares.<\/p>\n<p>Quer viver na pr\u00e1tica a experi\u00eancia do gerador de Van de Graaff? Visite o Museu WEG e viva cada experimento de um jeito divertido e educativo. Saiba mais <a href=\"https:\/\/museuweg.net \" target=\"_blank\">aqui<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Um dos equipamentos que mais faz sucesso no Museu WEG, conhecido por dar pequenos choques \u00e9 o gerador de Van de Graaff.<\/p>\n","protected":false},"author":2,"featured_media":325,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-312","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-magnetismo"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Voc\u00ea conhece gerador de Van de Graaff? - 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\/voce-conhece-gerador-de-van-de-graaff\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Voc\u00ea conhece gerador de Van de Graaff? 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