Pearson Edexcel International GCSE (9–1) · PHYSICS · Section
Satellites and moons
16 practice questions
Practice questions
11–16 of 16
Question 11
2 marks · Normal
Answer and see the solution →Saturn has many moons, all held in orbit by gravity. State two factors on which the size of the gravitational force between Saturn and one of its moons depends.
Question 12
4 marks · Normal
Answer and see the solution →The planet Neptune is much farther from the Sun than Earth.
(a)[1 mark]State how the gravitational force between Neptune and the Sun compares with that between the Earth and the Sun.
(b)[3 marks]Explain how this difference in gravitational force affects Neptune’s orbit compared to Earth’s.
Question 13
1 mark · Normal
Answer and check →Which of the following is NOT an artificial satellite?
- A.A weather satellite orbiting the Earth
- B.The Moon orbiting the Earth
- C.The International Space Station
- D.A communications satellite orbiting Mars
Question 14
3 marks · Normal
Answer and see the solution →A comet has an orbit that is much more elongated (stretched out) than the nearly circular orbit of a planet around the Sun.
Question 15
3 marks · Normal
Answer and see the solution →Below is a simple diagram showing a planet and its moon.
Planet and Moon (a)[1 mark]On the diagram, draw an arrow to show the direction of the gravitational force acting on the moon.
(b)[2 marks]Explain why this force does not pull the moon directly into the planet.
Question 16
1 mark · Normal
Answer and see the solution →Name the type of satellite that the Moon is.