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 pa
问题描述：
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,
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