{"id":20447,"date":"2024-12-18T20:17:40","date_gmt":"2024-12-18T23:17:40","guid":{"rendered":"https:\/\/hangarmma.com.br\/blog\/?post_type=glossary&#038;p=20447"},"modified":"2024-12-18T20:17:56","modified_gmt":"2024-12-18T23:17:56","slug":"atrito-de-rolamento","status":"publish","type":"glossary","link":"https:\/\/hangarmma.com.br\/blog\/atrito-de-rolamento\/","title":{"rendered":"Atrito de rolamento"},"content":{"rendered":"<h3 class=\"wp-block-heading\">Atrito de Rolamento<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">O <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_cd039a6f91a5dc4aa5c3c9fa80485be6\" data-link=\"https:\/\/hangarmma.com.br\/blog\/atrito\/\" href=\"https:\/\/hangarmma.com.br\/blog\/atrito\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">atrito<\/a> de <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_fd4d6135047f08db68130a0def5fb858\" data-link=\"https:\/\/hangarmma.com.br\/blog\/rolamento\/\" href=\"https:\/\/hangarmma.com.br\/blog\/rolamento\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">rolamento<\/a> &#xE9; uma for&#xE7;a resistiva que ocorre quando um objeto montado sobre rodas ou roletes se desloca em uma superf&#xED;cie. &#xC9; significativamente menor do que o <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_cd039a6f91a5dc4aa5c3c9fa80485be6\" data-link=\"https:\/\/hangarmma.com.br\/blog\/atrito\/\" href=\"https:\/\/hangarmma.com.br\/blog\/atrito\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">atrito<\/a> deslizante, gra&#xE7;as &#xE0; redu&#xE7;&#xE3;o da &#xE1;rea de <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_f0275eb16568afdfc614793b73581fbd\" data-link=\"https:\/\/hangarmma.com.br\/blog\/contato\/\" href=\"https:\/\/hangarmma.com.br\/blog\/contato\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">contato<\/a> e deforma&#xE7;&#xE3;o entre as superf&#xED;cies.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">C&#xE1;lculo do Atrito de Rolamento<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">A for&#xE7;a do <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_cd039a6f91a5dc4aa5c3c9fa80485be6\" data-link=\"https:\/\/hangarmma.com.br\/blog\/atrito\/\" href=\"https:\/\/hangarmma.com.br\/blog\/atrito\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">atrito<\/a> de <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_fd4d6135047f08db68130a0def5fb858\" data-link=\"https:\/\/hangarmma.com.br\/blog\/rolamento\/\" href=\"https:\/\/hangarmma.com.br\/blog\/rolamento\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">rolamento<\/a> pode ser calculada usando a f&#xF3;rmula: F=&#x3BC;&#x22C5;NF = \\mu \\cdot N<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Onde:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>FF &#xE9; a for&#xE7;a de <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_cd039a6f91a5dc4aa5c3c9fa80485be6\" data-link=\"https:\/\/hangarmma.com.br\/blog\/atrito\/\" href=\"https:\/\/hangarmma.com.br\/blog\/atrito\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">atrito<\/a>;<\/li>\n\n\n\n<li>&#x3BC;\\mu &#xE9; o coeficiente de <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_cd039a6f91a5dc4aa5c3c9fa80485be6\" data-link=\"https:\/\/hangarmma.com.br\/blog\/atrito\/\" href=\"https:\/\/hangarmma.com.br\/blog\/atrito\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">atrito<\/a> para o material e superf&#xED;cie em quest&#xE3;o;<\/li>\n\n\n\n<li>NN &eacute; a for&ccedil;a normal, correspondente ao <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"cmtt_4d4b52ec058dc185d3aeb8b31eb44116\"  data-link=\"https:\/\/hangarmma.com.br\/blog\/peso\/\"  href=\"https:\/\/hangarmma.com.br\/blog\/peso\/\"  target=\"_blank\"  data-mobile-support=\"0\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>peso<\/a> do objeto.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Exemplos de Coeficientes de Atrito<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pneus sobre concreto ou asfalto t&#xEA;m um &#x3BC;\\mu de cerca de 0,02.<\/li>\n\n\n\n<li>Para rolamentos de esferas, &#x3BC;\\mu varia entre 0,001 e 0,003, sendo frequentemente desprezado em c&#xE1;lculos pr&#xE1;ticos.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Exemplo Pr&#xE1;tico<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Se uma aeronave pesando 79.600 libras &#xE9; rebocada sobre uma pista de concreto, a for&#xE7;a necess&#xE1;ria para mant&#xEA;-la em movimento &#xE9; calculada da seguinte forma: F=&#x3BC;&#x22C5;N=0,02&#x22C5;79.600=1.592&#x2009;libras.F = \\mu \\cdot N = 0,02 \\cdot 79.600 = 1.592 \\, \\text{libras}.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Essa for&#xE7;a &#xE9; a que o ve&#xED;culo rebocador precisa aplicar para superar o <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"cmtt_cd039a6f91a5dc4aa5c3c9fa80485be6\" data-link=\"https:\/\/hangarmma.com.br\/blog\/atrito\/\" href=\"https:\/\/hangarmma.com.br\/blog\/atrito\/\" target=\"_blank\" data-mobile-support=\"0\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">atrito<\/a> e manter o movimento constante ap&#xF3;s iniciado.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O uso de rolamentos ou pneus &eacute; essencial para reduzir significativamente a resist&ecirc;ncia ao movimento, otimizando esfor&ccedil;os em sistemas de transporte, como no deslocamento de aeronaves em <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"cmtt_88847f94f7c40c790bce86df17f64276\"  data-link=\"https:\/\/hangarmma.com.br\/blog\/terra\/\"  href=\"https:\/\/hangarmma.com.br\/blog\/terra\/\"  target=\"_blank\"  data-mobile-support=\"0\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>terra<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Atrito de Rolamento O atrito de rolamento \u00e9 uma for\u00e7a resistiva que ocorre quando um objeto montado sobre rodas ou roletes se desloca em uma superf\u00edcie. \u00c9 significativamente menor do que o atrito deslizante, gra\u00e7as \u00e0 redu\u00e7\u00e3o da \u00e1rea de contato e deforma\u00e7\u00e3o entre as superf\u00edcies. C\u00e1lculo do Atrito de Rolamento A for\u00e7a do atrito [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"glossary-categories":[],"glossary-tags":[],"class_list":["post-20447","glossary","type-glossary","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Atrito de rolamento - HANGAR MMA<\/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:\/\/hangarmma.com.br\/blog\/atrito-de-rolamento\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Atrito de rolamento - HANGAR MMA\" \/>\n<meta property=\"og:description\" content=\"Atrito de Rolamento O atrito de rolamento \u00e9 uma for\u00e7a resistiva que ocorre quando um objeto montado sobre rodas ou roletes se desloca em uma superf\u00edcie. \u00c9 significativamente menor do que o atrito deslizante, gra\u00e7as \u00e0 redu\u00e7\u00e3o da \u00e1rea de contato e deforma\u00e7\u00e3o entre as superf\u00edcies. 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