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 momentwjx snyuo 915 n dgt.j2au2;ob0f(3wjum of a system of particl mi; 2*aqlgrjl3 i4ae/kiw,e9es changes when a net external force acts on the systemq 3limwa4 gle kie2r/;a*j9,i." 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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