本题目来源于试卷: Physics Unit8: Rotational Motion，类别为 通用国际物理
[单选题]
"The total angular mom,7m mlu ;t w4kmq n/g7xqqbh,*en f*9 cnqhj(mq*0rmw2jtum of a system of particles changes when a net external force acts on the system." This statement iwcf9 *qr* q jnmmj2h(0s
A. always true.
B. never true.
C. sometimes true. It depends on the force's magnitude.
D. sometimes true. It depends on the force's point of application.
参考答案: D
本题详细解析:
暂无
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