{"id":56799,"date":"2021-10-20T15:26:46","date_gmt":"2021-10-20T18:26:46","guid":{"rendered":"https:\/\/blog.estrategiavestibulares.com.br\/?p=56799"},"modified":"2024-09-25T13:45:51","modified_gmt":"2024-09-25T16:45:51","slug":"aceleracao-tangencial","status":"publish","type":"post","link":"https:\/\/vestibulares.estrategia.com\/portal\/materias\/fisica\/aceleracao-tangencial\/","title":{"rendered":"Acelera\u00e7\u00e3o tangencial: o que \u00e9 e como aparece no vestibular"},"content":{"rendered":"<p class=\"wp-block-paragraph\">A <span id=\"urn:enhancement-f8aab72e-e1a6-4984-b38d-93aabff6d214\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/fisica\">f&iacute;sica<\/span> estuda diversos fen&ocirc;menos cotidianos, como por exemplo o movimento dos corpos e o repouso dos objetos. Para esse estudo, &eacute; muito importante entender os conceitos de <span id=\"urn:enhancement-9cf40f4b-ea14-430c-9625-3d61dd8132d1\" class=\"textannotation wl-no-link disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mcuv\">acelera&ccedil;&atilde;o tangencial<\/span>, <span id=\"urn:enhancement-26646b26-3a1e-48f4-a5d5-0dbf8f11458e\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/velocidade\">velocidade<\/span>, <span id=\"urn:enhancement-77e38103-94ec-441b-ae7d-cf8c63dd2abc\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/forca\">for&ccedil;a<\/span>, <span id=\"urn:local-annotation-108763\" class=\"textannotation disambiguated\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/orientacao\">orienta&ccedil;&atilde;o<\/span>, entre outros.&nbsp;<p class=\"wp-block-paragraph\">Para te ajudar, a Coruja preparou um artigo que resume as informa&ccedil;&otilde;es necess&aacute;rias para o entendimento do que &eacute; <span id=\"urn:enhancement-b41e2f18-284d-4f56-b79c-b60a445cb23a\" class=\"textannotation wl-no-link disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mcuv\">acelera&ccedil;&atilde;o tangencial<\/span> e como ela pode aparecer na sua prova de vestibular: componentes vetoriais, caracter&iacute;sticas e conceitos. Confira a seguir!<\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">Navegue pelo conte\u00fado<\/p>\n<\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/fisica\/aceleracao-tangencial\/#O-que-e-aceleracao-tangencial\" >O que &eacute; acelera&ccedil;&atilde;o tangencial?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/fisica\/aceleracao-tangencial\/#Caracteristicas-da-Aceleracao-Tangencial\" >Caracter&iacute;sticas da Acelera&ccedil;&atilde;o Tangencial<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/fisica\/aceleracao-tangencial\/#Formulas-para-aceleracao-tangencial\" >F&oacute;rmulas para acelera&ccedil;&atilde;o tangencial<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/fisica\/aceleracao-tangencial\/#Questao-de-Aceleracao-Tangencial\" >Quest&atilde;o de Acelera&ccedil;&atilde;o Tangencial<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/fisica\/aceleracao-tangencial\/#Assista-uma-aula-gratis-de-Aceleracao-tangencial\" >Assista uma aula gr&aacute;tis de Acelera&ccedil;&atilde;o tangencial<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/fisica\/aceleracao-tangencial\/#Veja-tambem\" >Veja tamb&eacute;m:<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-o-que-e-aceleracao-tangencial\"><span class=\"ez-toc-section\" id=\"O-que-e-aceleracao-tangencial\"><\/span>O que &eacute; acelera&ccedil;&atilde;o tangencial?<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">O estudo do movimento, na <span id=\"urn:enhancement-ccfe3641-8124-43bf-8750-410f4fbb397f\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/fisica\">f&iacute;sica<\/span>, passa pelo <span id=\"urn:enhancement-6046bc7a-4122-4459-881b-7878d440d143\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mru\">movimento retil&iacute;neo uniforme<\/span>, <span id=\"urn:enhancement-69923206-47ef-43ed-9785-9ff325d3b5d4\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mru\">movimento retil&iacute;neo uniformemente variado<\/span>, <span id=\"urn:local-annotation-413554\" class=\"textannotation disambiguated\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/movimento-curvilineo\">movimento curvil&iacute;neo<\/span>, entre outros. A <span id=\"urn:enhancement-2d3b911e-6e81-4142-9d16-548d639f3216\" class=\"textannotation wl-no-link disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mcuv\">acelera&ccedil;&atilde;o tangencial<\/span> &eacute; um componente importante na varia&ccedil;&atilde;o da <span id=\"urn:enhancement-d4693d1d-b748-474f-a359-b50c1e71b4fb\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/velocidade\">velocidade<\/span> dos corpos e, por isso, ser&aacute; estudada adiante.<\/p><p class=\"wp-block-paragraph\">Ao observar um corpo em movimento a n&iacute;vel do estudo pr&eacute;-vestibular, percebem-se duas componentes diferentes que podem interferir no tempo com que esse deslocamento acontece:<\/p><h3 class=\"wp-block-heading\" id=\"h-velocidade\">Velocidade<\/h3><p class=\"wp-block-paragraph\">A <span id=\"urn:enhancement-ce9fb23a-a946-45e0-8a1e-5ecdd330db64\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/velocidade\">velocidade<\/span> &eacute; a dist&acirc;ncia que o corpo percorre em um determinado espa&ccedil;o de tempo. Por exemplo, dizer que a <a href=\"https:\/\/vestibulares.estrategia.com\/portal\/fisica\/velocidade-escalar\/\">velocidade <\/a>de um carro na viagem entre Campinas e S&atilde;o Paulo foi de 100 <span id=\"urn:enhancement-8941f97a-50b4-4e40-b316-d32aa2fdec88\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/quilometro-por-hora\">km\/h<\/span> significa que a cada uma hora, o carro andou aproximadamente 100 <span id=\"urn:enhancement-2be22b46-8035-49c9-b63b-4d64723089a8\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/quilometros\">km<\/span>.<\/p><div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/uq4FC2L1EojbZp-EFSsBXwYOlILwgmMR5KdzM8ZW-gjp_-DryxHNNWIW_eN5glcOUUlrH5efYY6WqaZiBUB51cNNrXGYLItTdnybzKGz2gClMelTT-4Kc6b5L9T1wUjQGfeEoG-a=s1600\" alt=\"Acelera&ccedil;&atilde;o tangencial - movimento uniforme\"><\/figure>\n<\/div><h3 class=\"wp-block-heading\" id=\"h-aceleracao\">Acelera&ccedil;&atilde;o<\/h3><p class=\"wp-block-paragraph\">A acelera&ccedil;&atilde;o &eacute; o ente <span id=\"urn:enhancement-8970ecb9-b30e-4d15-8d65-b74c417a24ca\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/fisico\">f&iacute;sico<\/span> que possibilita o aumento da <span id=\"urn:enhancement-ded2b986-fcd4-47ae-8687-e5e2befbefd2\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/velocidade\">velocidade<\/span> em um espa&ccedil;o de tempo. Como exemplo, imagine que uma pessoa est&aacute; se deslocando a uma <span id=\"urn:enhancement-41b345b6-ef03-4120-9b5b-684f1372cd64\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/velocidade\">velocidade<\/span> de 10m\/s e precisa acelerar o passo porque est&aacute; atrasada &mdash; se ela aplicar uma acelera&ccedil;&atilde;o de 1m\/s<sup>2<\/sup>, a cada segundo sua <span id=\"urn:enhancement-17271a44-e47a-4e6b-8de0-15fb1b3136cd\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/velocidade\">velocidade<\/span> aumenta. Ou seja, a cada unidade de tempo quadrada ela anda mais r&aacute;pido.&nbsp;<\/p><div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/N2pk1nlIT_9M0YEU2rR-uHS94kCYOIxruXN1Ic3R8uYjw0ymPVhQymORMK1gllie4sdz6v-1KywGgUI94pdbV6EfhlMWDgYvp6j3SkrqN0CSnVwcTaJlX4YAYb05eToVaa3VUlX2=s1600\" alt=\"acelera&ccedil;&atilde;o tangencial - movimento variado\"><\/figure>\n<\/div><p class=\"wp-block-paragraph\">A acelera&ccedil;&atilde;o escalar &eacute; a respons&aacute;vel pela mudan&ccedil;a na intensidade da <span id=\"urn:enhancement-f7b523a4-8740-41c7-98aa-f2f6ebbfa622\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/velocidade\">velocidade<\/span>, conforme demonstrado na imagem anterior.&nbsp;<\/p><p class=\"wp-block-paragraph\">&Eacute; importante ressaltar tamb&eacute;m que a acelera&ccedil;&atilde;o, quando &eacute; negativa, indica que o corpo est&aacute; diminuindo sua <span id=\"urn:enhancement-f90c0ab6-7644-4320-9f61-1e3b7fba6d6d\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/velocidade\">velocidade<\/span>. Por exemplo, quando um motorista avista um animal na pista &agrave; sua frente, ao acionar os freios, cria-se uma acelera&ccedil;&atilde;o negativa que causa a redu&ccedil;&atilde;o da intensidade do vetor <span id=\"urn:enhancement-bc02e168-7462-46ea-9e4b-913b81fa25ca\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/velocidade\">velocidade<\/span> naquele corpo automobil&iacute;stico.<\/p><p class=\"wp-block-paragraph\">Por sua vez, a nomenclatura <span id=\"urn:enhancement-e1101725-a8ee-41be-a38c-4e941c90f62f\" class=\"textannotation wl-no-link disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mcuv\">acelera&ccedil;&atilde;o tangencial<\/span> &eacute; resultante da decomposi&ccedil;&atilde;o da acelera&ccedil;&atilde;o normal no <strong><a href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/fisica\/movimento-circular-uniforme\/\" target=\"_blank\">movimento circular<\/a> ou curvo<\/strong>.&nbsp;<\/p><p class=\"wp-block-paragraph\">Nesse tipo de deslocamento, a <span id=\"urn:enhancement-105f1808-0c97-4c87-9faa-6b8167e70cc1\" class=\"textannotation wl-no-link disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mcuv\">acelera&ccedil;&atilde;o tangencial<\/span> &eacute; igual a acelera&ccedil;&atilde;o escalar, enquanto existe uma outra acelera&ccedil;&atilde;o: a componente centr&iacute;peta, respons&aacute;vel pelo direcionamento do vetor <span id=\"urn:enhancement-b227be71-efe3-4d3a-8337-b9655737a423\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/velocidade\">velocidade<\/span>&nbsp;<\/p><h3 class=\"wp-block-heading\" id=\"h-componente-centripeta\">Componente Centr&iacute;peta<\/h3><p class=\"wp-block-paragraph\">&Eacute; a componente vetorial que<strong> altera a dire&ccedil;&atilde;o e o sentido do vetor <span id=\"urn:enhancement-65059910-8114-4377-b559-8330769d1b7c\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/velocidade\">velocidade<\/span> na <span id=\"urn:enhancement-70ad30a0-3d41-46ea-9cc2-1a7dba8690ae\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/trajetoria\">trajet&oacute;ria<\/span><\/strong>. Nos movimentos curvos e circulares, ela sempre aponta para o <span id=\"urn:enhancement-6b006187-dcd3-4edc-8c51-0d980eb3e2ce\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/raio\">raio<\/span> da curva.<\/p><p class=\"wp-block-paragraph\">Como a <span id=\"urn:enhancement-5c261b7f-3c40-4ddb-8afa-ff0bcd035286\" class=\"textannotation disambiguated wl-thing wl-no-link\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/aceleracao-centripeta\">acelera&ccedil;&atilde;o centr&iacute;peta<\/span> n&atilde;o altera o valor da <span id=\"urn:enhancement-17a42445-a40f-4edc-9d48-cf2aa7310dce\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/velocidade\">velocidade<\/span>, ela pode aparecer em movimentos uniformes ou movimentos variados. No caso do deslocamento curvil&iacute;neo, ela est&aacute; sempre presente.<\/p><h3 class=\"wp-block-heading\" id=\"h-componente-tangencial\">Componente Tangencial<\/h3><p class=\"wp-block-paragraph\">A componente tangencial da acelera&ccedil;&atilde;o &eacute; encarregada de<strong> alterar a intensidade da <span id=\"urn:enhancement-48e6b8d2-5896-4633-bbe0-2950509f64b7\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/velocidade\">velocidade<\/span> do corpo em um determinado espa&ccedil;o de tempo<\/strong>. Ou seja, se assemelha &agrave; acelera&ccedil;&atilde;o escalar e est&aacute; relacionada com movimentos variados.&nbsp;<\/p><p class=\"wp-block-paragraph\">O apontamento do vetor <span id=\"urn:enhancement-ca863328-3c99-44ff-9357-ec9d2eb4b543\" class=\"textannotation wl-no-link disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mcuv\">acelera&ccedil;&atilde;o tangencial<\/span> ocorre <strong>na dire&ccedil;&atilde;o do movimento<\/strong>, de <span id=\"urn:enhancement-3472f22e-30cd-4414-9e1b-6f0b3765bceb\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/geometria\">forma<\/span> que esteja <strong><span id=\"urn:enhancement-18f17bb1-7c5b-49a9-93ce-600a887bfaa4\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/tangente\">tangente<\/span> <\/strong>a ele. Quando<strong> ela &eacute; positiva, o sentido &eacute; igual ao do vetor <span id=\"urn:enhancement-1da01aa9-de9d-45e0-a5b6-59467063cd48\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/velocidade\">velocidade<\/span><\/strong>. Quando a <span id=\"urn:enhancement-521b3c2f-6aaa-4c52-b5e1-4af1357e48a0\" class=\"textannotation wl-no-link disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mcuv\">acelera&ccedil;&atilde;o tangencial<\/span> &eacute;<strong> negativa, o sentido ser&aacute; contr&aacute;rio ao movimento<\/strong>.&nbsp;<\/p><p class=\"wp-block-paragraph\">&Eacute; importante perceber que, no caso de movimentos curvos, a componente centr&iacute;peta sempre estar&aacute; presente, uma vez que modula o sentido da <span id=\"urn:enhancement-d937bef4-fe06-4832-9868-0378b465f1d4\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/velocidade\">velocidade<\/span> e permite a curvatura da <span id=\"urn:enhancement-86f32706-83cc-47e7-a0df-bbbe14f197a2\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/trajetoria\">trajet&oacute;ria<\/span>. J&aacute; a <span id=\"urn:enhancement-bd4b21d9-c5e6-4ad3-8b6d-3addc7e3ed86\" class=\"textannotation wl-no-link disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mcuv\">acelera&ccedil;&atilde;o tangencial<\/span> s&oacute; aparece quando o movimento curvo &eacute; variado e permite a altera&ccedil;&atilde;o da intensidade da <span id=\"urn:enhancement-e59b03fe-954f-4dde-82cd-40d72f6ffa44\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/velocidade\">velocidade<\/span>.<\/p><div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/SIJSaGkIRlUOnqjGuwKPokMUc0TVhpEQWhm3_ek7phaMwVz4tXfmkB3Qr1jB0M9WPzIHJFAeEfI6IEV4TLsNa4-llUiYpRUC2z14lM9eY0unEgLjmb5AahdUOdkKJTfoJxx3BtWd=s1600\" alt=\"Acelera&ccedil;&atilde;o tangencial - movimento circular\"><\/figure>\n<\/div><h2 class=\"wp-block-heading\" id=\"h-caracteristicas-da-aceleracao-tangencial\"><span class=\"ez-toc-section\" id=\"Caracteristicas-da-Aceleracao-Tangencial\"><\/span>Caracter&iacute;sticas da Acelera&ccedil;&atilde;o Tangencial<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">Agora que voc&ecirc; j&aacute; conhece as formas como essa componente aparece, veja as principais caracter&iacute;sticas da <span id=\"urn:enhancement-0821f034-0465-4942-af7b-25e9dc9bae04\" class=\"textannotation wl-no-link disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mcuv\">acelera&ccedil;&atilde;o tangencial<\/span>:<\/p><ul class=\"wp-block-list\">\n<li>Como j&aacute; foi citado anteriormente, ela <strong>altera a intensidade da velocidade<\/strong> &mdash; com isso pode acelerar ou retardar a velocidade do movimento;<\/li>\n\n\n\n<li>&Eacute; <strong>nula quando o movimento &eacute; uniforme<\/strong>, isso porque a velocidade n&atilde;o se altera no decorrer do tempo;<\/li>\n\n\n\n<li>Sempre est&aacute;<strong> tangente &agrave; curva do movimento<\/strong> e, por isso, possui um &acirc;ngulo de <strong>90&ordm; com a componente centr&iacute;peta<\/strong>;<\/li>\n\n\n\n<li>Junto com a <span id=\"urn:enhancement-57a9c0f0-ee66-4529-8617-439a23163883\" class=\"textannotation disambiguated wl-thing wl-no-link\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/aceleracao-centripeta\">acelera&ccedil;&atilde;o centr&iacute;peta<\/span>, forma a<strong> acelera&ccedil;&atilde;o resultante<\/strong> dos movimentos curvil&iacute;neos.<\/li>\n<\/ul><h2 class=\"wp-block-heading\" id=\"h-formulas-para-aceleracao-tangencial\"><span class=\"ez-toc-section\" id=\"Formulas-para-aceleracao-tangencial\"><\/span>F&oacute;rmulas para acelera&ccedil;&atilde;o tangencial<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">Conforme citado no t&oacute;pico anterior, a soma entre a componente tangencial e centr&iacute;peta fornece a acelera&ccedil;&atilde;o resultante no movimento referido.<\/p><p class=\"has-text-align-center wp-block-paragraph\"><strong>&nbsp;acelera&ccedil;&atilde;o resultante = <span id=\"urn:enhancement-3d5ac7a1-83fa-423a-9573-df24ad267320\" class=\"textannotation disambiguated wl-thing wl-no-link\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/aceleracao-centripeta\">acelera&ccedil;&atilde;o centr&iacute;peta<\/span> + <span id=\"urn:enhancement-a10f1105-f8b1-4932-840f-02f325c178ba\" class=\"textannotation wl-no-link disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mcuv\">acelera&ccedil;&atilde;o tangencial<\/span><\/strong><\/p><p class=\"wp-block-paragraph\">Al&eacute;m disso, o valor da <span id=\"urn:enhancement-d179dd2b-1ee7-46ea-a41f-9fb7d3d8735d\" class=\"textannotation wl-no-link disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mcuv\">acelera&ccedil;&atilde;o tangencial<\/span> &eacute;, em m&oacute;dulo, igual a acelera&ccedil;&atilde;o escalar do corpo. Ou seja:<\/p><p class=\"has-text-align-center wp-block-paragraph\"><strong>&Delta;V\/&Delta;t=acelera&ccedil;&atilde;o escalar = |<span id=\"urn:enhancement-1526f6f6-e529-436a-af43-c8faf6a39598\" class=\"textannotation wl-no-link disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mcuv\">acelera&ccedil;&atilde;o tangencial<\/span>|<\/strong><\/p><p class=\"wp-block-paragraph\">A partir da angula&ccedil;&atilde;o entre o vetor <span id=\"urn:enhancement-a7313e18-2679-44c9-87ae-ba60878abaf3\" class=\"textannotation wl-no-link disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mcuv\">acelera&ccedil;&atilde;o tangencial<\/span> e o vetor <span id=\"urn:enhancement-ede7e616-6b01-4b1d-bde0-8e75b69982f7\" class=\"textannotation disambiguated wl-thing wl-no-link\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/aceleracao-centripeta\">acelera&ccedil;&atilde;o centr&iacute;peta<\/span>, &eacute; poss&iacute;vel tra&ccedil;ar um <span id=\"urn:enhancement-120825db-4626-4a22-b185-c09da6514328\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/triangulos-retangulos\">tri&acirc;ngulo ret&acirc;ngulo<\/span> pitag&oacute;rico. Com isso, faz-se a seguinte express&atilde;o:<\/p><p class=\"has-text-align-center wp-block-paragraph\"><strong>&nbsp;acelera&ccedil;&atilde;o resultante<\/strong><strong><sup>2<\/sup><\/strong><strong> = <span id=\"urn:enhancement-516e062f-5c30-4b0c-8ea9-8b65cf364560\" class=\"textannotation disambiguated wl-thing wl-no-link\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/aceleracao-centripeta\">acelera&ccedil;&atilde;o centr&iacute;peta<\/span><\/strong><strong><sup>2<\/sup><\/strong><strong> + <span id=\"urn:enhancement-8dfbc939-b467-498a-8da3-604cd79fc37f\" class=\"textannotation wl-no-link disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mcuv\">acelera&ccedil;&atilde;o tangencial<\/span><\/strong><strong><sup>2<\/sup><\/strong><\/p><div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-font-size is-style-fill\" style=\"font-size:30px\"><a class=\"wp-block-button__link has-luminous-vivid-amber-to-luminous-vivid-orange-gradient-background has-background\" href=\"https:\/\/vestibulares.estrategia.com\/catalogo-produtos\/\" target=\"_blank\" rel=\"noopener noreferrer\"><meta charset=\"utf-8\"><strong>Conhe&ccedil;a os cursos do Estrat&eacute;gia!<\/strong><\/a><\/div>\n<\/div><h2 class=\"wp-block-heading\" id=\"h-questao-de-aceleracao-tangencial\"><span class=\"ez-toc-section\" id=\"Questao-de-Aceleracao-Tangencial\"><\/span>Quest&atilde;o de Acelera&ccedil;&atilde;o Tangencial<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">Ap&oacute;s conhecer todas as informa&ccedil;&otilde;es necess&aacute;rias sobre esse assunto, treine seu entendimento com quest&otilde;es de <span id=\"urn:enhancement-f0e807b5-00d2-4b31-a85e-61f851329fa8\" class=\"textannotation wl-no-link disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mcuv\">acelera&ccedil;&atilde;o tangencial<\/span> que j&aacute; apareceram no vestibular. Ao final, n&atilde;o deixe de conferir a resolu&ccedil;&atilde;o desenvolvida pela Equipe do Estrat&eacute;gia, vale a pena comparar sua resposta e relembrar poss&iacute;veis dicas e truques de desenvolvimento.<\/p><p class=\"wp-block-paragraph\">(UEL &ndash; PR) Uma pista &eacute; constitu&iacute;da por tr&ecirc;s trechos: dois retil&iacute;neos AB e CD e um circular BC, conforme esquema abaixo. Se um autom&oacute;vel percorre toda a pista com <a href=\"https:\/\/vestibulares.estrategia.com\/portal\/fisica\/velocidade-escalar\/\" target=\"_blank\">velocidade escalar<\/a> constante, o m&oacute;dulo da sua acelera&ccedil;&atilde;o ser&aacute;:<\/p><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/3zDrpU6qdtJ63D5nGg0t5vCWJbDqMJ2EpcUq3bmN-U9J6yXsKIwK3_GWOoE4n3qZYRoV2Yfr_d2uRDamBDZ-XkDsF1OqMA-CC-vK60axYt2tkZ27Vha5_ZkPtMHzprhhECbrFaEf=s1600\" alt=\"\"><\/figure><p class=\"wp-block-paragraph\">a) nulo em todos os trechos.<br>b) constante, n&atilde;o nulo, em todos os trechos.<br>c) constante, n&atilde;o nulo, nos trechos AB e CD.<br>d) constante, n&atilde;o nulo, apenas no trecho BC.<br>e) vari&aacute;vel apenas no trecho BC.<\/p><p class=\"wp-block-paragraph\">Se a <span id=\"urn:enhancement-fbf64a25-1282-4b4e-95a7-75179c0a3505\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/velocidade\">velocidade<\/span> n&atilde;o se altera, em todo o trecho em que o movimento &eacute; retil&iacute;neo a acelera&ccedil;&atilde;o escalar ser&aacute; nula. Apesar disso, o trecho BC &eacute; curvil&iacute;neo e possibilita uma <span id=\"urn:enhancement-2cad7afd-9336-4fea-96b9-c2679f97895e\" class=\"textannotation disambiguated wl-thing wl-no-link\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/aceleracao-centripeta\">acelera&ccedil;&atilde;o centr&iacute;peta<\/span> existente de <span id=\"urn:enhancement-b23dcf19-8d69-4e13-bd16-84421113e1af\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/geometria\">forma<\/span> constante e n&atilde;o nula. Com isso, o direcionamento do vetor <span id=\"urn:enhancement-bb560e78-4bc9-4205-9fdf-fc8b250a24cb\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/velocidade\">velocidade<\/span> &eacute; alterado, mas o seu valor n&atilde;o sofre modifica&ccedil;&otilde;es. Assim, a alternativa correta &eacute; a representada na <strong>letra D.<\/strong><\/p><p class=\"wp-block-paragraph\">Veja tamb&eacute;m: <a href=\"https:\/\/vestibulares.estrategia.com\/portal\/fisica\/fisica-enem\/\" target=\"_blank\">O que cai de f&iacute;sica no Enem?<\/a><\/p><h2 class=\"wp-block-heading\" id=\"h-assista-uma-aula-gratis-de-aceleracao-tangencial\"><span class=\"ez-toc-section\" id=\"Assista-uma-aula-gratis-de-Aceleracao-tangencial\"><\/span>Assista uma aula gr&aacute;tis de Acelera&ccedil;&atilde;o tangencial<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">Quer aprender um pouco mais sobre <span id=\"urn:enhancement-aee4c7ed-8561-48e2-9489-b5ca3bc9f8e0\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/fisica\">f&iacute;sica<\/span> e aprimorar seus conhecimentos sobre os variados tipos de movimentos dos corpos? Conhe&ccedil;a as aulas gratuitas do Estrat&eacute;gia, l&aacute; voc&ecirc; pode compreender a <span id=\"urn:enhancement-d2da2e43-4b23-45fc-8b4c-afa1ad72b72f\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/fisica\">f&iacute;sica<\/span> do zero e criar uma base de conte&uacute;dos s&oacute;lida para o seu vestibular. Veja!<\/p><figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"cs-embed cs-embed-responsive\"><iframe title=\"F&iacute;sica do Zero | ENEM 2021 - Do Zero\" width=\"1200\" height=\"675\" src=\"https:\/\/www.youtube.com\/embed\/KbSFdihxKpk?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure><p class=\"wp-block-paragraph\">Precisa treinar seu conhecimento matem&aacute;tico, mas n&atilde;o sabe onde encontrar exerc&iacute;cios? Clique no banner abaixo e conhe&ccedil;a o banco de quest&otilde;es do Estrat&eacute;gia Vestibulares, l&aacute; voc&ecirc; encontrar&aacute; diversas perguntas que j&aacute; apareceram nas provas e te ajudar&atilde;o na constru&ccedil;&atilde;o do aprendizado. Aproveite!<\/p><p class=\"wp-block-paragraph\"><a id=\"cta\" class=\"cta-imagem\" href=\"https:\/\/vestibulares.estrategia.com\/curso\/pacote-enem\/\" target=\"blank\">\n                <img decoding=\"async\" width=\"100%\" src=\"https:\/\/vestibulares.estrategia.com\/portal\/wp-content\/uploads\/2021\/12\/Enem.jpg\" alt=\"CTA curso Enem\" title=\"CTA curso Enem\">\n        <\/a>\n\n\n\n\n\n<\/p><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Veja-tambem\"><\/span>Veja tamb&eacute;m:<span class=\"ez-toc-section-end\"><\/span><\/h2><ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/vestibulares.estrategia.com\/portal\/fisica\/calculo-vetorial\/\">C&aacute;lculo vetorial: o que &eacute;, como fazer e aplica&ccedil;&otilde;es<\/a>&nbsp;<\/li>\n\n\n\n<li><a href=\"https:\/\/vestibulares.estrategia.com\/portal\/fisica\/momento-linear\/\">Momento Linear: quantidade de movimento e impulso<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/fisica\/movimento-retilineo-uniforme\/\">Movimento retil&iacute;neo uniforme (MRU): o que &eacute;, f&oacute;rmulas e conceitos<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/fisica\/movimento-circular-uniforme\/\">Movimento Circular Uniforme e Uniformemente Variado (MCU e MCUV): o que s&atilde;o, f&oacute;rmulas e exemplos<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/vestibulares.estrategia.com\/portal\/fisica\/velocidade-relativa\/\">Velocidade Relativa: conceitos e f&oacute;rmulas<\/a>&nbsp;<\/li>\n\n\n\n<li><a href=\"https:\/\/vestibulares.estrategia.com\/portal\/fisica\/velocidade-escalar\/\">Velocidade escalar: o que &eacute;, f&oacute;rmulas e muito mais!<\/a>&nbsp;<\/li>\n\n\n\n<li><a href=\"https:\/\/vestibulares.estrategia.com\/portal\/fisica\/funcao-horaria-da-posicao\/\">Fun&ccedil;&atilde;o hor&aacute;ria da posi&ccedil;&atilde;o: conceito, f&oacute;rmulas e aplica&ccedil;&otilde;es<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/vestibulares.estrategia.com\/portal\/fisica\/prova-fisica-2-fase-unicamp-2020\/\">Resolu&ccedil;&atilde;o da prova de F&iacute;sica da 2&ordf; Fase da Unicamp 2020<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/vestibulares.estrategia.com\/portal\/fisica\/prova-fuvest-2020-fisica\/\">Resolu&ccedil;&atilde;o Comentada da prova de F&iacute;sica FUVEST 2020<\/a>&nbsp;<\/li>\n<\/ul><\/p>\n","protected":false},"excerpt":{"rendered":"A f&iacute;sica estuda diversos fen&ocirc;menos cotidianos, como por exemplo o movimento dos corpos e o repouso dos objetos.&hellip;\n","protected":false},"author":23,"featured_media":81031,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28],"tags":[],"class_list":["post-56799","post","type-post","status-publish","format-standard","has-post-thumbnail","category-fisica"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.9 (Yoast SEO v28.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Acelera\u00e7\u00e3o tangencial: o que \u00e9 e como aparece no vestibular<\/title>\n<meta name=\"description\" content=\"O Estrat\u00e9gia Vestibulares preparou um artigo que trata sobre o que \u00e9 acelera\u00e7\u00e3o tangencial e quais as suas caracter\u00edsticas. 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