本题目来源于试卷: Fields D.1 Gravitational Fields & Potential ，类别为 IB物理学
[单选题]
The following statements are given about the forces acting on a satellite in orbit around a planet.
I. The gravitational force on the satellite is proportional to the mass of the planet and the mass of the satellite.
II. The strength of the gravitational field is equal to the weight of the satellite.
III. The centripetal force acting on the satellite is provided by the gravitational force between the planet and the satellite.
Which of these statements are correct?
A. Only $I$
B. Only $III$
C. $I$ and $III$
D. $I$, $II$ and $III$
参考答案: C
本题详细解析:
| 
