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一、选择题 1.由牛顿第一定律可得出的结论是 ( ) A.力是维持物体运动的原因 B.力是改变物体运动状态的原因 C.一切物体都具有惯性 D.物体惯性的大小由质量所决定
First, the multiple-choice questions 1. Newton’s first law can be drawn from the conclusion () A. Force is to maintain the object movement B. Force is to change the state of motion of objects C. All objects have inertia D. Object inertial Size is determined by quality