{"id":25,"date":"2023-06-27T10:03:23","date_gmt":"2023-06-27T10:03:23","guid":{"rendered":"https:\/\/physigeek.com\/pt\/forcas-colineares\/"},"modified":"2023-06-27T10:03:23","modified_gmt":"2023-06-27T10:03:23","slug":"forcas-colineares","status":"publish","type":"post","link":"https:\/\/physigeek.com\/pt\/forcas-colineares\/","title":{"rendered":"For\u00e7as colineares"},"content":{"rendered":"

Este artigo explica o que s\u00e3o for\u00e7as colineares. Voc\u00ea tamb\u00e9m encontrar\u00e1 v\u00e1rios exemplos de for\u00e7as colineares e tamb\u00e9m aprender\u00e1 como adicionar duas ou mais for\u00e7as colineares. <\/p>\n

<\/span> O que s\u00e3o for\u00e7as nas colinas?<\/span><\/h2>\n

For\u00e7as colineares<\/strong> s\u00e3o for\u00e7as que possuem a mesma linha de a\u00e7\u00e3o. Em outras palavras, duas ou mais for\u00e7as s\u00e3o colineares quando sua dire\u00e7\u00e3o \u00e9 exatamente a mesma. <\/p>\n

\n
\"for\u00e7as<\/figure>\n<\/div>\n

A principal vantagem da colinearidade de duas for\u00e7as \u00e9 que elas podem ser adicionadas com muita facilidade. Abaixo veremos como duas ou mais for\u00e7as colineares se somam.<\/p>\n

Portanto, duas for\u00e7as colineares nunca podem ser concorrentes por defini\u00e7\u00e3o, uma vez que s\u00e3o dois tipos diferentes de for\u00e7as. <\/p>\n

\u27a4<\/span> Veja:<\/strong> O que s\u00e3o for\u00e7as concorrentes?<\/a><\/div>\n

<\/span> Exemplos de for\u00e7as colineares<\/span><\/h2>\n

Para que voc\u00ea entenda melhor o significado das for\u00e7as colineares, aqui est\u00e3o dois exemplos retirados do cotidiano desse tipo de for\u00e7a.<\/p>\n

Por exemplo, quando dois grupos de pessoas jogam cabo de guerra, as for\u00e7as exercidas pelos dois grupos s\u00e3o colineares. Neste caso, as duas for\u00e7as colineares t\u00eam a mesma dire\u00e7\u00e3o, mas a dire\u00e7\u00e3o \u00e9 oposta. <\/p>\n

\n
\"exemplo<\/figure>\n<\/div>\n

Como voc\u00ea pode ver no gr\u00e1fico das for\u00e7as aplicadas \u00e0 corda, a for\u00e7a exercida pelo grupo da esquerda \u00e9 maior que a for\u00e7a exercida pela pessoa da direita, ent\u00e3o a corda se mover\u00e1 para a esquerda.<\/p>\n

Outro exemplo da vida cotidiana de um sistema de for\u00e7as colineares \u00e9 quando exercemos uma for\u00e7a sobre um corpo ou parede e n\u00e3o podemos mov\u00ea-lo. A pessoa que empurra exerce uma for\u00e7a contra a parede, mas a parede tamb\u00e9m exerce uma for\u00e7a de rea\u00e7\u00e3o em dire\u00e7\u00e3o \u00e0 pessoa com a mesma magnitude e dire\u00e7\u00e3o, mas na dire\u00e7\u00e3o oposta, raz\u00e3o pela qual a pessoa n\u00e3o se move. <\/p>\n

\n
\"desenhos<\/figure>\n<\/div>\n

Na f\u00edsica, esse fen\u00f4meno \u00e9 conhecido como terceira lei de Newton ou princ\u00edpio de a\u00e7\u00e3o-rea\u00e7\u00e3o. <\/p>\n

<\/span> Soma das for\u00e7as hillar<\/span><\/h2>\n

A soma de duas for\u00e7as colineares<\/strong> \u00e9 igual a uma for\u00e7a resultante da mesma dire\u00e7\u00e3o, de magnitude equivalente \u00e0 soma das magnitudes das for\u00e7as e da mesma dire\u00e7\u00e3o da maior for\u00e7a.<\/p>\n

Ou seja, para somar duas for\u00e7as colineares, deve-se fazer a soma alg\u00e9brica de seus m\u00f3dulos, e o sentido e a dire\u00e7\u00e3o da for\u00e7a resultante s\u00e3o determinados pela for\u00e7a de maior m\u00f3dulo.<\/p>\n

Portanto, se forem somadas duas for\u00e7as colineares na mesma dire\u00e7\u00e3o, a for\u00e7a resultante ser\u00e1 uma for\u00e7a na mesma dire\u00e7\u00e3o cujo valor ser\u00e1 a soma dos m\u00f3dulos das duas for\u00e7as. <\/p>\n

\n
\"soma<\/figure>\n<\/div>\n

Por outro lado, se somarmos duas for\u00e7as colineares com sentidos opostos, a for\u00e7a resultante ter\u00e1 o sentido da for\u00e7a maior e o seu valor ser\u00e1 igual \u00e0 subtra\u00e7\u00e3o dos m\u00f3dulos das duas for\u00e7as. <\/p>\n

\n
\"\"<\/figure>\n<\/div>\n

Voc\u00ea pode treinar com exerc\u00edcios de adi\u00e7\u00e3o de for\u00e7a no seguinte link: <\/p>\n

\u27a4<\/span> Veja:<\/strong> exerc\u00edcios resolvidos sobre soma de for\u00e7as<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"

Este artigo explica o que s\u00e3o for\u00e7as colineares. Voc\u00ea tamb\u00e9m encontrar\u00e1 v\u00e1rios exemplos de for\u00e7as colineares e tamb\u00e9m aprender\u00e1 como adicionar duas ou mais for\u00e7as colineares. O que s\u00e3o for\u00e7as nas colinas? For\u00e7as colineares s\u00e3o for\u00e7as que possuem a mesma linha de a\u00e7\u00e3o. Em outras palavras, duas ou mais for\u00e7as s\u00e3o colineares quando sua dire\u00e7\u00e3o …<\/p>\n

For\u00e7as colineares<\/span> Leia mais »<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"","footnotes":""},"categories":[5],"tags":[],"class_list":["post-25","post","type-post","status-publish","format-standard","hentry","category-dinamico"],"yoast_head":"\n\u25b7 O que s\u00e3o for\u00e7as colineares? 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