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 momentum of a system of particles cha.7z v k.kcco2snge*zbgc;rq5)r9 ibznf g6ksw *9j++r drs when a net external force acts on the system." qi5fdb gw*z c+g)*s b;zrrn96jr 9+rk This statement is
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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