本题目来源于试卷: Mechanical Advantage,类别为 美国物理杯赛(Physics Bowl)
[单选题]
11.36: For the inclined k7f7hgbi:g 819d8eqnkyum 4p plane shown, a force of 6l w) r5bw6zwq 150 N applied parallel to the incline’s surface is needed to pull the object of mass M=10 kg along the entire length of the in )65w 6 wbzlwqrcline’s surface at a constant speed. What is the actual mechanical advantage (AMA) for this scenario?

A. 2/3
B. 3/2
C. 2/5
D. 3/5
E. 5/3
参考答案: A
本题详细解析:
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