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 chanvo 6y :kzc4g.2aw rx*uges wsqtsw *vc:9j5wa-l 3c rhpy.,.mm7vahen a net external force acts on the system." This statement i 3aw v,m9pyhr:csj*5v . l7 ma-wqt.scs
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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