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A plane is flying in a straight line,climbing steadily at a speed of 6m/s through still air.The net force acting on a passenger on mass M in the plane is?
先给出答案,再详细说明为什么,
人气:400 ℃ 时间:2020-02-05 15:25:20
解答
A plane is flying in a straight line,(飞机沿直线飞行) climbing steadily at a speed of 6m/s (以6米每秒的速度在静止的空气中爬升)through still air. The net force acting on a passenger on mass M in th...对人哪二力平衡?人不是静止吗,怎么还受到Mg呢?net force 是指合外力的话,答案就是0咯
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