{"id":801,"date":"2026-10-04T07:46:07","date_gmt":"2026-10-04T06:46:07","guid":{"rendered":"https:\/\/wpcalc.com\/pt\/fisica\/calculadora-de-binario\/"},"modified":"2026-10-04T07:46:07","modified_gmt":"2026-10-04T06:46:07","slug":"calculadora-de-binario","status":"publish","type":"post","link":"https:\/\/wpcalc.com\/pt\/fisica\/calculadora-de-binario\/","title":{"rendered":"Calculadora de Bin\u00e1rio (Torque)"},"content":{"rendered":"<section class=\"not-prose calculator-box\" aria-labelledby=\"calculator-title\"><div class=\"flex items-baseline sm:items-center justify-between gap-2 sm:gap-3\"><div class=\"flex flex-col sm:flex-row sm:items-center gap-2\"><span class=\"icon icon-calculator text-primary-700! text-base! dark:text-primary-300!\" aria-hidden=\"true\"><\/span><h2 id=\"calculator-title\" class=\"text-lg font-display font-bold\">Calcular Torque, For\u00e7a ou Bra\u00e7o da Alavanca<\/h2><\/div><div class=\"calcdash-favorite group\">\n  <button type=\"button\" class=\"favorite\" id=\"favorite\" data-favorite-id=\"801\" data-favorite-title=\"Bin\u00e1rio\" data-favorite-url=\"https:\/\/wpcalc.com\/pt\/fisica\/calculadora-de-binario\/\" data-favorite-excerpt=\"Calcule o bin\u00e1rio, a for\u00e7a ou o comprimento do bra\u00e7o da alavanca com \u03c4 = r \u00b7 F \u00b7 sen(\u03b8). Introduza quaisquer duas grandezas, al\u00e9m do \u00e2ngulo, e obtenha o resultado em N\u00b7m, lb\u00b7ft ou kgf\u00b7m.\" aria-label=\"Adicionar aos favoritos\" data-favorite-icon=\"icon icon-physic\">\n    <span class=\"icon icon-shape-star-empty\" aria-hidden=\"true\"><\/span>\n  <\/button>\n  <div class=\"calcdash-favorite__tip\" aria-hidden=\"true\">\n   <span class=\"favorite-tooltip\" id=\"favorite-tooltip\"><\/span>\n  <\/div>\n  <span class=\"sr-only\" role=\"status\" id=\"favorite-status\"><\/span>\n<\/div><\/div><form action=\"https:\/\/wpcalc.com\/pt\/fisica\/calculadora-de-binario\/\" method=\"POST\" class=\"calculator\" id=\"calculator-801\" data-post=\"801\"><fieldset class=\"fieldset-input is-1\"><legend class=\"sr-only\">Campos de entrada<\/legend><div class=\"field is-single\" id=\"input-1\"><label for=\"field-1\">Calcular<\/label><div class=\"grid grid-cols-1\"><select id=\"field-1\" name=\"calcular\"><option value=\"torque\" selected>Torque (\u03c4)<\/option><option value=\"force\">For\u00e7a (F)<\/option><option value=\"length\">Bra\u00e7o da alavanca (r)<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><div class=\"field is-single\" id=\"input-2\" hidden><label for=\"field-2\">Torque (\u03c4)<\/label><div class=\"field-group\"><input type=\"text\" name=\"torque_\" id=\"field-2\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" placeholder=\"e.g. 25\" min=\"0\" value=\"25\"\/><div class=\"grid grid-cols-1\"><select id=\"field-3\" name=\"unidade\" aria-label=\"Unidade\"><option value=\"N\u00b7m\" selected>N\u00b7m<\/option><option value=\"lb\u00b7ft\">lb\u00b7ft<\/option><option value=\"kgf\u00b7m\">kgf\u00b7m<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><\/div><div class=\"field is-single has-term\" id=\"input-3\"><label for=\"field-4\">For\u00e7a (F)<\/label><div class=\"term\">F<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><div class=\"field-group\"><input type=\"text\" name=\"fora_f\" id=\"field-4\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" placeholder=\"e.g. 100\" min=\"0\" value=\"100\"\/><div class=\"grid grid-cols-1\"><select id=\"field-5\" name=\"unidade\" aria-label=\"Unidade\"><option value=\"N\" selected>N<\/option><option value=\"lbf\">lbf<\/option><option value=\"kgf\">kgf<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><\/div><div class=\"field is-single has-term\" id=\"input-4\"><label for=\"field-6\">Comprimento do bra\u00e7o da alavanca (r)<\/label><div class=\"term\">r<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><div class=\"field-group\"><input type=\"text\" name=\"comprimento_do_brao_da_alavanca_r\" id=\"field-6\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" placeholder=\"e.g. 0.25\" min=\"0\" value=\"0.25\"\/><div class=\"grid grid-cols-1\"><select id=\"field-7\" name=\"unidade\" aria-label=\"Unidade\"><option value=\"m\" selected>m<\/option><option value=\"cm\">cm<\/option><option value=\"mm\">mm<\/option><option value=\"ft\">ft<\/option><option value=\"in\">in<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><\/div><div class=\"field is-single has-term\" id=\"input-5\"><label for=\"field-8\">\u00c2ngulo entre a for\u00e7a e o bra\u00e7o (\u03b8)<\/label><div class=\"term\">\u03b8<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><input type=\"text\" name=\"ngulo_entre_a_fora_e_o_brao_\" id=\"field-8\" aria-describedby=\"calc-unit-8 calc-info-8\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" placeholder=\"e.g. 90\" min=\"0\" max=\"180\" value=\"90\"\/><div class=\"unit\" id=\"calc-unit-8\">\u00b0<\/div><small id=\"calc-info-8\">90\u00b0 significa que a for\u00e7a atua perpendicularmente ao bra\u00e7o da alavanca.<\/small><\/div><\/fieldset><div class=\"buttons\"><button type=\"submit\" data-text=\"Recalcular\" id=\"calculate-button\" data-post=\"801\">Calcular<\/button><button type=\"reset\">Redefinir<\/button><\/div><div class=\"field is-checkbox hidden!\" id=\"field-auto-calc\"><input type=\"checkbox\" id=\"auto-calc\"><label for=\"auto-calc\">Calcular automaticamente<\/label><small>Se ativado, o resultado \u00e9 atualizado automaticamente quando voc\u00ea altera qualquer valor.<\/small><\/div><div class=\"fieldset-result is-hidden\" aria-labelledby=\"result-title\" aria-live=\"polite\" role=\"region\"> <h3 class=\"result-title bg-gradient-to-r from-primary-50 to-gray-50 dark:from-primary-900 dark:to-gray-800\" id=\"result-title\"><span class=\"icon icon-s-pulse\" aria-hidden=\"true\"><\/span> Resultados do Torque<\/h3><div class=\"result-box\"><div class=\"field-result is-column\" id=\"output-1\"><span class=\"field-title\"><span>Grandeza calculada<\/span><\/span><span class=\"field-value\" id=\"result-1\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Copiar resultado\" aria-label=\"Copiar resultado\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><div class=\"field-result is-column\" id=\"output-2\"><span class=\"field-title\"><span>Todas as grandezas neste c\u00e1lculo<\/span><\/span><span class=\"field-value\" id=\"result-2\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Copiar resultado\" aria-label=\"Copiar resultado\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><\/div><div class=\"result-actions\"><button type=\"button\" class=\"copy-link\"><svg viewBox=\"0 0 20 20\" fill=\"currentColor\" aria-hidden=\"true\"><path d=\"M12.232 4.232a2.5 2.5 0 0 1 3.536 3.536l-1.225 1.224a.75.75 0 0 0 1.061 1.06l1.224-1.224a4 4 0 0 0-5.656-5.656l-3 3a4 4 0 0 0 .225 5.865.75.75 0 0 0 .977-1.138 2.5 2.5 0 0 1-.142-3.667l3-3Z\"\/><path d=\"M11.603 7.963a.75.75 0 0 0-.977 1.138 2.5 2.5 0 0 1 .142 3.667l-3 3a2.5 2.5 0 0 1-3.536-3.536l1.225-1.224a.75.75 0 0 0-1.061-1.06l-1.224 1.224a4 4 0 1 0 5.656 5.656l3-3a4 4 0 0 0-.225-5.865Z\"\/><\/svg><span class=\"copy-link__text\">Copiar link para este c\u00e1lculo<\/span><\/button><span class=\"sr-only\" role=\"status\" id=\"copy-link-status\"><\/span><\/div><\/div><a href=\"#respond\" class=\"hidden transition-opacity duration-300 opacity-0 w-50 text-sm justify-center items-center gap-2 px-4 py-2 rounded bg-gray-200 text-gray-700 hover:bg-gray-300\" id=\"leave-comment\"><span class=\"icon icon-comments\" aria-hidden=\"true\"><\/span>Deixar um coment\u00e1rio<\/a><\/form><\/section><section id=\"calc-reactions\" class=\"not-prose hidden my-12 bg-gradient-to-r from-primary-50 to-gray-50 border border-indigo-100 rounded-xl px-6 py-4 shadow-sm\" data-post=\"801\" aria-live=\"polite\" aria-labelledby=\"calc-reactions-title\"><p id=\"calc-reactions-title\" class=\"text-sm text-gray-500 text-center mb-2\">O que voc\u00ea achou deste resultado?<\/p><div role=\"group\" aria-labelledby=\"calc-reactions-title\" class=\"grid grid-cols-3 sm:flex sm:flex-row sm:justify-around gap-4 sm:items-center sm:flex-wrap\"><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"like\"><span class=\"reaction-count\" data-reaction-count=\"like\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\ude00 <\/span><span class=\"reaction-description font-medium\">Curti <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"helpful\"><span class=\"reaction-count\" data-reaction-count=\"helpful\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\udca1 <\/span><span class=\"reaction-description font-medium\">\u00datil <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"confused\"><span class=\"reaction-count\" data-reaction-count=\"confused\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\ude15 <\/span><span class=\"reaction-description font-medium\">Confuso <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"disappointed\"><span class=\"reaction-count\" data-reaction-count=\"disappointed\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\ud83d\ude1e <\/span><span class=\"reaction-description font-medium\">Decepcionado <\/span><\/button><button type=\"button\" aria-pressed=\"false\" class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"inaccurate\"><span class=\"reaction-count\" data-reaction-count=\"inaccurate\">0<\/span><span class=\"reaction text-3xl\" aria-hidden=\"true\">\u274c <\/span><span class=\"reaction-description font-medium\">Impreciso <\/span><\/button><\/div><div id=\"reaction-message\" class=\"hidden mt-8 rounded-md border border-primary-100 bg-white\/50 backdrop-blur-sm px-4 py-2 text-sm text-center shadow-sm\"><\/div><\/section><div class=\"calcdash-ad not-prose calcdash-ad--calc_result calcdash-ad--in-article\"><ins class=\"adsbygoogle\" style=\"display:block\" data-ad-client=\"ca-pub-1721569815777345\" data-ad-slot=\"6317458308\" data-ad-layout=\"in-article\" data-ad-format=\"fluid\"><\/ins><script>(adsbygoogle = window.adsbygoogle || []).push({});<\/script><\/div>\n<style id=\"wpcoderpro-inline-1\">.formula-box {\r\n\tborder-bottom: none !important;\r\n}<\/style><section class=\"formula-box\" aria-labelledby=\"formula-title\">\r\n\t<div id=\"formula-title\" class=\"not-prose font-display mb-4\"><span class=\"icon icon-formula\" aria-hidden=\"true\"><\/span><h2>F\u00f3rmula do Bin\u00e1rio<\/h2><\/div>\r\n\t<figure class=\"not-prose formula\">\r\n\t\t<figcaption class=\"formula-title\">F\u00f3rmula<\/figcaption>\r\n\t\t<div class=\"text-base text-gray-800\" id=\"formula\">\n\\[ \\tau = r \\cdot F \\cdot \\sin(\\theta) \\]\n<\/div>\r\n\t<\/figure>\r\n\t<\/p>\n<p><strong>Onde:<\/strong><\/p>\n<ul>\n<li>\\(\\tau\\) \u2014 bin\u00e1rio (N\u00b7m)<\/li>\n<li>\\(r\\) \u2014 comprimento do bra\u00e7o da alavanca, a dist\u00e2ncia perpendicular do eixo ao ponto de aplica\u00e7\u00e3o da for\u00e7a (m)<\/li>\n<li>\\(F\\) \u2014 for\u00e7a aplicada (N)<\/li>\n<li>\\(\\theta\\) \u2014 \u00e2ngulo entre o bra\u00e7o da alavanca e a dire\u00e7\u00e3o da for\u00e7a (graus ou radianos)<\/li>\n<\/ul>\n<p>A f\u00f3rmula expressa o efeito rotativo de uma for\u00e7a: o bin\u00e1rio aumenta com um bra\u00e7o de alavanca mais comprido e uma for\u00e7a maior, e \u00e9 m\u00e1ximo quando a for\u00e7a atua perpendicular ao bra\u00e7o (\\(\\theta = 90^\\circ\\)).<\/p>\n<p>A mesma rela\u00e7\u00e3o pode ser reorganizada para resolver a for\u00e7a ou o bra\u00e7o da alavanca:<\/p>\n<p>\\[ F = \\frac{\\tau}{r \\cdot \\sin(\\theta)} \\qquad r = \\frac{\\tau}{F \\cdot \\sin(\\theta)} \\]<\/p>\n<p>\r\n<\/section>\n<style id=\"wpcoderpro-inline-2\">.calculation-box {\r\n\tborder-bottom: none !important;\r\n}<\/style><section id=\"calculation\" class=\"calculation-box\" aria-labelledby=\"calculation-title\">\r\n\t<div id=\"calculation-title\" class=\"not-prose font-display\"><span class=\"icon icon-unordered-list\" aria-hidden=\"true\"><\/span><h2>Bin\u00e1rio \u2013 Exemplo de C\u00e1lculo<\/h2><\/div>\r\n\r\n<\/p>\n<p><strong>Exemplo:<\/strong> empurra-se uma chave com uma for\u00e7a de 100 N num ponto a 0,25 m do parafuso, na perpendicular ao cabo.<\/p>\n<p>\\[ \\tau = r \\cdot F \\cdot \\sin(\\theta) = 0.25 \\times 100 \\times \\sin(90^\\circ) \\]<\/p>\n<p>\\[ \\tau = 0.25 \\times 100 \\times 1 = 25 \\text{ N\u00b7m} \\]<\/p>\n<p><strong>Resultado:<\/strong> o bin\u00e1rio \u00e9 25 N\u00b7m (\u2248 18,44 lb\u00b7ft, \u2248 2,55 kgf\u00b7m).<\/p>\n<p>\n\r\n<\/section>\n<h2>Como Usar a Calculadora de Bin\u00e1rio<\/h2>\n<ol>\n<li>No menu <strong>Calcular<\/strong>, escolha se quer calcular o <strong>Bin\u00e1rio (\u03c4)<\/strong>, a <strong>For\u00e7a (F)<\/strong> ou o <strong>Bra\u00e7o da alavanca (r)<\/strong>. O campo da grandeza selecionada fica oculto; introduza as outras duas.<\/li>\n<li>Introduza o valor conhecido do <strong>Bin\u00e1rio (\u03c4)<\/strong> e escolha a unidade (N\u00b7m, lb\u00b7ft ou kgf\u00b7m) \u2014 s\u00f3 \u00e9 mostrado quando calcula a for\u00e7a ou o bra\u00e7o da alavanca.<\/li>\n<li>Introduza o valor conhecido da <strong>For\u00e7a (F)<\/strong> com a respectiva unidade (N, lbf ou kgf).<\/li>\n<li>Introduza o <strong>Comprimento do bra\u00e7o da alavanca (r)<\/strong> e escolha uma unidade (m, cm, mm, ft ou in).<\/li>\n<li>Introduza o <strong>\u00c2ngulo entre a for\u00e7a e o bra\u00e7o (\u03b8)<\/strong> em graus. Use 90\u00b0 se a for\u00e7a atua perpendicular \u00e0 alavanca.<\/li>\n<li>Leia a grandeza calculada na unidade escolhida, al\u00e9m de valores equivalentes em outras unidades comuns e uma tabela-resumo de todas as grandezas.<\/li>\n<\/ol>\n<h2>O Que \u00c9 o Bin\u00e1rio?<\/h2>\n<p>O bin\u00e1rio (tamb\u00e9m chamado momento de for\u00e7a) \u00e9 o an\u00e1logo rotativo da for\u00e7a. Enquanto uma <a href=\"https:\/\/wpcalc.com\/pt\/fisica\/forca-fisica\/\">for\u00e7a<\/a> linear empurra um objeto em linha reta, o bin\u00e1rio mede a efic\u00e1cia com que uma for\u00e7a faz um objeto rodar em torno de um ponto de apoio \u2014 o eixo de um parafuso, uma dobradi\u00e7a de porta, o cubo de uma roda ou uma articula\u00e7\u00e3o do corpo humano. \u00c9 o bin\u00e1rio que aperta um parafuso, abre uma porta e faz girar um virabrequim.<\/p>\n<p>O valor do bin\u00e1rio depende de tr\u00eas fatores: a intensidade com que se empurra (a for\u00e7a), o ponto onde se empurra (o comprimento do bra\u00e7o da alavanca) e a dire\u00e7\u00e3o do empurr\u00e3o (o \u00e2ngulo). O bra\u00e7o da alavanca \u00e9 a dist\u00e2ncia do eixo de rota\u00e7\u00e3o ao ponto de aplica\u00e7\u00e3o da for\u00e7a, e apenas a componente da for\u00e7a perpendicular a esse bra\u00e7o contribui para a rota\u00e7\u00e3o \u2014 \u00e9 da\u00ed que vem o fator \\(\\sin(\\theta)\\). A 90\u00b0 toda a for\u00e7a \u00e9 eficaz; a 0\u00b0 ou 180\u00b0, quando a for\u00e7a aponta ao longo do bra\u00e7o, n\u00e3o se produz qualquer rota\u00e7\u00e3o.<\/p>\n<p>\u00c9 exatamente por isso que as puxadas das portas ficam longe das dobradi\u00e7as, que barras de extens\u00e3o compridas soltam parafusos teimosos e que \u00e9 mais f\u00e1cil rodar uma chave empurrando na ponta em vez de junto \u00e0 cabe\u00e7a. Duplicar o bra\u00e7o da alavanca duplica o bin\u00e1rio com o mesmo esfor\u00e7o, e vice-versa.<\/p>\n<p>A unidade SI do bin\u00e1rio \u00e9 o newton-metro (N\u00b7m). Note que, embora o N\u00b7m seja dimensionalmente igual ao joule, o bin\u00e1rio nunca se expressa em joules \u2014 trata-se de uma grandeza rotativa, n\u00e3o de energia. Na pr\u00e1tica imperial, o bin\u00e1rio costuma ser dado em libra-p\u00e9 (lb\u00b7ft). Se precisar de relacionar o bin\u00e1rio com a energia ou o movimento, lembre-se de que o trabalho realizado por um bin\u00e1rio constante ao longo de um deslocamento angular \u00e9 \\(W = \\tau \\varphi\\); consulte as calculadoras de <a href=\"https:\/\/wpcalc.com\/pt\/fisica\/trabalho\/\">Trabalho<\/a> e <a href=\"https:\/\/wpcalc.com\/en\/physics\/power\/\">Pot\u00eancia<\/a> para os equivalentes lineares.<\/p>\n<h2>Pressupostos, Limita\u00e7\u00f5es e Dicas Pr\u00e1ticas<\/h2>\n<ul>\n<li><strong>Uma \u00fanica for\u00e7a, um \u00fanico eixo.<\/strong> A calculadora trata de uma for\u00e7a aplicada num \u00fanico ponto de uma alavanca r\u00edgida em torno de um eixo fixo. Sistemas reais com v\u00e1rias for\u00e7as ou cargas distribu\u00eddas exigem a soma dos bin\u00e1rios separadamente.<\/li>\n<li><strong>O \u00e2ngulo \u00e9 importante.<\/strong> Muita gente assume que a for\u00e7a \u00e9 sempre perpendicular. Se puxar uma chave com um \u00e2ngulo muito raso, o bin\u00e1rio eficaz cai depressa \u2014 a 30\u00b0 obt\u00e9m-se apenas metade do bin\u00e1rio de uma puxada a 90\u00b0.<\/li>\n<li><strong>O sentido de rota\u00e7\u00e3o n\u00e3o \u00e9 mostrado.<\/strong> O resultado \u00e9 dado em m\u00f3dulo. Por conven\u00e7\u00e3o, o bin\u00e1rio anti-hor\u00e1rio costuma ser considerado positivo e o hor\u00e1rio negativo; atribua os sinais quando equilibrar v\u00e1rios bin\u00e1rios.<\/li>\n<li><strong>Situa\u00e7\u00f5es est\u00e1ticas vs. din\u00e2micas.<\/strong> Esta ferramenta calcula o bin\u00e1rio em si, n\u00e3o a acelera\u00e7\u00e3o angular resultante. Para m\u00e1quinas rotativas, o bin\u00e1rio relaciona-se com a acelera\u00e7\u00e3o angular atrav\u00e9s do momento de in\u00e9rcia, \\(\\tau = I\\alpha\\).<\/li>\n<li><strong>Consist\u00eancia de unidades.<\/strong> A calculadora converte todas as unidades internamente, pelo que pode combinar, por exemplo, lbf com metros. Em c\u00e1lculos manuais, mantenha tudo num \u00fanico sistema consistente.<\/li>\n<li><strong>Chaves dinamom\u00e9tricas e especifica\u00e7\u00f5es.<\/strong> As especifica\u00e7\u00f5es de aperto de parafusos s\u00e3o dadas em unidades de bin\u00e1rio (p. ex., N\u00b7m ou lb\u00b7ft). Para atingir um bin\u00e1rio-alvo \u00e0 m\u00e3o, calcule a for\u00e7a para saber com que intensidade puxar num bra\u00e7o de comprimento conhecido.<\/li>\n<\/ul>\n<p>Para problemas que envolvam for\u00e7as num sistema rotativo ou restringido \u2014 como uma corda que passa por uma roldana ou um objeto num plano inclinado \u2014 tamb\u00e9m poder\u00e3o ser \u00fateis as calculadoras de <a href=\"https:\/\/wpcalc.com\/pt\/fisica\/calculadora-tencao-em-cordas\/\">Tens\u00e3o em Cordas<\/a> e <a href=\"https:\/\/wpcalc.com\/pt\/fisica\/calculadora-plano-inclinado\/\">Plano Inclinado<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Calcule o bin\u00e1rio, a for\u00e7a ou o comprimento do bra\u00e7o da alavanca com \u03c4 = r \u00b7 F \u00b7 sen(\u03b8). Introduza quaisquer duas grandezas, al\u00e9m do \u00e2ngulo, e obtenha o resultado em N\u00b7m, lb\u00b7ft ou kgf\u00b7m.<\/p>\n","protected":false},"author":3168,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[10],"tags":[55],"class_list":["post-801","post","type-post","status-publish","format-standard","hentry","category-fisica","tag-mecanica"],"acf":[],"_links":{"self":[{"href":"https:\/\/wpcalc.com\/pt\/wp-json\/wp\/v2\/posts\/801","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wpcalc.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wpcalc.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wpcalc.com\/pt\/wp-json\/wp\/v2\/users\/3168"}],"replies":[{"embeddable":true,"href":"https:\/\/wpcalc.com\/pt\/wp-json\/wp\/v2\/comments?post=801"}],"version-history":[{"count":2,"href":"https:\/\/wpcalc.com\/pt\/wp-json\/wp\/v2\/posts\/801\/revisions"}],"predecessor-version":[{"id":2660,"href":"https:\/\/wpcalc.com\/pt\/wp-json\/wp\/v2\/posts\/801\/revisions\/2660"}],"wp:attachment":[{"href":"https:\/\/wpcalc.com\/pt\/wp-json\/wp\/v2\/media?parent=801"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wpcalc.com\/pt\/wp-json\/wp\/v2\/categories?post=801"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wpcalc.com\/pt\/wp-json\/wp\/v2\/tags?post=801"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}