本题目来源于试卷: Work Energy and Power，类别为 美国物理杯赛(Physics Bowl)
[单选题]
12.16: A constant fo btzz87/ c)skv-y 1nllcz+6pxrce F=50N (as shown i ,wo riqa; yoh21o 5uw3n the figure) is applied for the 6.0 meter motion of the box upward along the incline. The mass of the block is M=15 kg. Which one of the following choic ro;whi 5 o a2uow,31qyes best represents the work done by the force F onthe box for the motion?
A. 300J
B. 282J
C. 260J
D. 193J
E. 150J
参考答案: B
本题详细解析:
暂无
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