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 foll.1cdoxg*zie(f vd 0bo83 1xrbows a semi:gy; z rmt,7r n;-nrnx-circular arc until it is going straight up. Just as the plane is at its lowestn,g rznrm-; try ;x7n: 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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