本题目来源于试卷: Physics Unit5: Circular Motion & Gravitation，类别为 国际高中通用物理
[单选题]
A pilot executes a vertical dive then follows a semi-cnj766wawh; byi;2q liw6:djoe rcular arc until it is going straig edl o2q6iw;j:ht up. Just as the plane is at its lowest point, the 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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