Question

2) Quatro corpos: A; B; C; D, com massa respectivamente iguais a: 2M; M; 3M; 5M, encontramse vinculados conforme figura a seguir. Sabendo-se que os fios e as polias em questão são
ideais, sendo a superfície inclinada lisa e o coeficiente entre o corpo C e a superfície horizontal
igual a 0,30, bem como o ângulo =30, determinar, considerando-se que o corpo D possui
aceleração de módulo 2 m/s2
, vertical e para baixo: (a) o valor de M; (b) todas as interações
envolvidas no sistema.

Answer 1

Resposta:

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Explicação:

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