本题目来源于试卷: Physics Unit8: Rotational Motion，类别为 Generic Physics
[单选题]
"The total angular momentu8qe;a l(sn*fs kraak1.5+ incm of a systlfx/g)ptg;yx :uw(qr 2h qd 3c+3ex 3cem of particles changes when a net external forceq 3)u(ehdy /3cggp3wc xltx:x+; 2qfr acts on the system." 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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Post time 2024-1-22 02:51:16