Consulte Graatis
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Física">
Problema com uma balança e seus pesos.
Uma barra homogênea de comprimento L, apoia-se sobre duas balanças como mostra a figura a seguir?
Imagem da barra:
https://pbs.twimg.com/media/BZXcy34CAAAs-1J.jpg:large
Para que a leitura na balança da direita seja o triplo do valor da leitura na balança da esquerda, pode-se afirmar que:
a)x= l/6
b)x= l/4
c)x= l/3
d)x= l/2
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