主题
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万有引力
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Inverse Square Law
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一对力
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牛顿第三定律
描述
观察两个天体之间的引力。发现影响引力的因素,并探索改变这些因素如何改变引力的值。
示范 学习目标
- Relate the gravitational force to masses of objects and distance between objects.
- Explain Newton's third law for gravitational forces.
- Use measurements to determine the universal gravitational constant.
版本 1.0.0