問題詳情

1. Two boxes are connected by a string, as shown below. The string and pulley are massless, and m1+m2=16 kg. If the system is atrest and the coefficient of static friction is 0.6, what is the minimum weight of m1?


(A) 4 kg
(B) 6 kg
(C) 8 kg
(D) 10 kg
(E) 12 kg

參考答案

答案：D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)