当汽车驶在凸形桥时,为使通过桥顶时减小汽车对桥的压力,司机应

当汽车驶在凸形桥时,为使通过桥顶时减小汽车对桥的压力,司机应(     )

A .增大速度通过桥顶    B .以尽可能小的速度通过桥顶

C .和通过桥顶的速度无关 D .使通过桥顶的向加速度尽可能小

答案

A

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