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Fields D.1 Gravitational Fields & Potential  (id: 63138be04)

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admin 发表于 2024-2-7 00:09:58 | 显示全部楼层 |阅读模式
本题目来源于试卷: Fields D.1 Gravitational Fields & Potential ,类别为 IB物理学

[单选题]
Which of the following is correct about the gravitational field strength at a point near a planet?

A. It is the force of gravity acting on an object.
B. It is the force per unit mass acting on a point mass at that point
C. It is inversely proportional to the distance between the centre of the planet and that point
D. It is independent on the mass of the planet.


参考答案:  B


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