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18/3/2014 Um bloco de 5,0 kg é puxado ao longo de um piso sem atrito por uma corda que exerce uma força F = 12 N?
http://br.answers.yahoo.com/question/index?qid=20110511115730AA5uNBK 1/2
Ciências e Matemática > Física > Pergunta de referência Seguinte
0 0
Um bloco de 5,0 kg é puxado ao longo
de um piso sem atrito por uma corda
que exerce uma força F = 12 N?
Melhor resposta Escolha do eleitor
jose Soh respondido 3 anos atrás
a) valor da força normal......F = 5x10 - 12xsen25º
F = 50 - 5,07
=======================================...
F = 44,92 N <~~~~~~ força normal
=======================================...
.................................
b)aceleração do bloco
F' = m.a..............a = F'/m
F' = F x cos 25º
a = (12 x 0,906) / 5
a = 10,875 / 5
=======================================...
a = 2,17 m/s² <~~~~~~ aceleração do bloco
=======================================...
...............
100% (1 voto)
Um bloco de 5,0 kg é puxado ao longo de um piso sem atrito por
uma corda que exerce uma força F = 12 N que faz um ângulo de 25o
acima da horizontal.
...mostrar mais
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Se interessar leia, senão, passe batido, o texto
é longo?
Vcs já viram se lançar ao cargo de Presidente
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Eita enguia dificil de morrer.........o texto e longo,
mas garante o riso?
Tudo que começa mal , a tendencia é piorar ao
longo do tempo?
A força do seu coração já chegou a te tirar a
razão?
Descobrir perguntas
Questão de física Mecanica?
10 PONTOS. FÍSICA! AJUDAAA?
FÍSICA, 5 ESTRELAS! "Com relação aos
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18/3/2014 Um bloco de 5,0 kg é puxado ao longo de um piso sem atrito por uma corda que exerce uma força F = 12 N?
http://br.answers.yahoo.com/question/index?qid=20110511115730AA5uNBK 2/2

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Força sobre bloco de 5kg

  • 1. 18/3/2014 Um bloco de 5,0 kg é puxado ao longo de um piso sem atrito por uma corda que exerce uma força F = 12 N? http://br.answers.yahoo.com/question/index?qid=20110511115730AA5uNBK 1/2 Ciências e Matemática > Física > Pergunta de referência Seguinte 0 0 Um bloco de 5,0 kg é puxado ao longo de um piso sem atrito por uma corda que exerce uma força F = 12 N? Melhor resposta Escolha do eleitor jose Soh respondido 3 anos atrás a) valor da força normal......F = 5x10 - 12xsen25º F = 50 - 5,07 =======================================... F = 44,92 N <~~~~~~ força normal =======================================... ................................. b)aceleração do bloco F' = m.a..............a = F'/m F' = F x cos 25º a = (12 x 0,906) / 5 a = 10,875 / 5 =======================================... a = 2,17 m/s² <~~~~~~ aceleração do bloco =======================================... ............... 100% (1 voto) Um bloco de 5,0 kg é puxado ao longo de um piso sem atrito por uma corda que exerce uma força F = 12 N que faz um ângulo de 25o acima da horizontal. ...mostrar mais Inclua sua resposta Comentário Termos Privacidade RSS Perguntas relacionadas Se interessar leia, senão, passe batido, o texto é longo? Vcs já viram se lançar ao cargo de Presidente sem vice na chapa? é o bloco do "eu sozinho"? Eita enguia dificil de morrer.........o texto e longo, mas garante o riso? Tudo que começa mal , a tendencia é piorar ao longo do tempo? A força do seu coração já chegou a te tirar a razão? Descobrir perguntas Questão de física Mecanica? 10 PONTOS. FÍSICA! AJUDAAA? FÍSICA, 5 ESTRELAS! "Com relação aos estudos realizados sobre pressão, é correto afirmar que:? FÍSICA! 5 ESTRELAS? Faça uma pergunta Pergunte Página inicial Todas as categorias Animais de Estimação Artes e Humanidades Beleza e Estilo Carros e Transportes Casa e Jardim Ciências Sociais Ciências e Matemática Comidas e Bebidas Computadores e Internet Mais Internacional Sobre Mail 1 Buscar em Respostas Buscar na Web rodrigo g… Início Mail Notícias Esportes Finanças Tempo Jogos Grupos Respostas Screen Flickr Celular Mais
  • 2. 18/3/2014 Um bloco de 5,0 kg é puxado ao longo de um piso sem atrito por uma corda que exerce uma força F = 12 N? http://br.answers.yahoo.com/question/index?qid=20110511115730AA5uNBK 2/2