本题目来源于试卷: Physics Unit8: Rotational Motion，类别为 Generic Physics
[单选题]
"The total angular momy;sg smjned tyzby j449 70r 1dl3xh;jny)0r :entum of ar,x g9 ez::/xbbquwb ,m2 vnn+ system of particles changes when a net external force acts on the system." This statemeng z2n/ewb:9+mnx :v ,xbqr,ubt 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