本题目来源于试卷: Physics Unit5: Circular Motion & Gravitation，类别为 通用国际物理
[单选题]
A pilot executes a vertical dive then follows hji5ngi .n r,3a semi-circular arc until itzz02ez(hr h5pr o 3o+irva9e2 - ffzh; is going straight up. Just as the plane is at its lowest point, 3f-roz zf a5zhiep92 h(o+rr h 0;v2zethe force on him is
A. less than mg, and pointing up.
B. less than mg, and pointing down.
C. more than mg, and pointing up.
D. more than mg, and pointing down.
参考答案: C
本题详细解析:
暂无
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