Mechanical Advantage (id: cf8cdd29b)

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 incliod90l+)llt;nq q ftn)sp u7.rneffyyevvj2o3 /c/; l5u/ jw j9fd plane shown, a force of 150 N applied parallel to the incline’s surface is needed to pull the object of mass M=10 kg afo jcvy;wj j 93efuv/25l/f/y long 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: 暂无

微信扫一扫，分享更方便