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八年级科学/第 1 节:牛顿第一定律
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摘自维基百科,一个自由的百科全书
<
8th Grade Science
球从绳子里脱离后便会继续沿着直线运动
牛顿第一定律
指出,如果一个物体处于静止状态或以恒定的速度沿直线运动,它将持续静止或以恒定速度沿直线运动,除非有力的作用。该原理被称为
惯性
定律。
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书:八年级科学
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