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一、填空题 1.力不是____物体运动的原因,力是_____物体运动状态的原因. 2.牛顿第一定律的内容是:_____物体在没有受到____作用的时候,总保持____状态或____状态.
First, fill in the blank questions 1. Force is not the reason for the movement of the ____ object, force is the reason for the state of motion of the _____ object. 2. The content of Newton’s first law is: _____ objects have not been affected by ____. Always maintain ____ status or ____ status.