试题与答案

如图所示,一质量为m=4000kg的汽车在过半径R=10m的拱形桥桥顶时的速度为

题型:计算题

题目:

如图所示,一质量为m=4000kg的汽车在过半径R=10m的拱形桥桥顶时的速度为V=5m/s.汽车可视为质点。求:此时它对桥顶压力的大小为多少?

答案:

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参考答案:B, C, D

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