本题目来源于试卷: Physics Unit8: Rotational Motion，类别为 国际高中通用物理
[单选题]
An ice skater performs akuwu i:o + 2/7jn3xsky c,awy+ piroumyixj1 . ps8 ()-ulrjpette (a fast spin) by pulling in his outstretched arms close to his body. What happens to his moment of inertia aboutur-p) j.jyx8(m ips1l the axis of rotation?
A. It does not change.
B. It increases.
C. It decreases.
D. It changes, but it is impossible to tell which way.
参考答案: C
本题详细解析:
暂无
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