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 plane shown, a fo v)npnhd,6 r(1yxg xh2 rce of 150 N applie o.p su,sj*p6ygt r ./od parallel to the inclin /togspuy, s6pj. or. *e’s surface is needed to pull the object of mass M=10 kg along the entire length of the incline’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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