本题目来源于试卷: Physics Unit8: Rotational Motion，类别为 Generic Physics
[单选题]
In what circumstances can the h gj(n 3v-lmc2angular0rtalq5nf+ k r888/5wmmfmlr velocity of system of particles change without any change in the system's angulalnr8 r5tmr8/ l+0am5 qkffw 8mr momentum?
A. This cannot happen under any circumstances.
B. This can happen if a net external force acts on the system's center of mass.
C. This can happen if the only forces acting are internal to the system.
D. This can happen if an external net torque is applied properly to the system.
参考答案: C
本题详细解析:
暂无
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Post time 2024-1-22 02:51:16