Gravitation class 9 questions from schoolokay.in |physics numerical for class 9 gravitation

### Some one-word questions for class 9 gravitation.

- If the moon attracts the Earth, why does the Earth not move towards the moon?

- What is the importance of the universal law of gravitation?.

- What is the source of the centripetal force that a planet requires to revolve around the sun? On what factors does that force depend?

- A body is projected upwards. What is its velocity at maximum height?.

- A person weight 70kg on earth, where g=10 m/s2.What is his mass?.

- The mass of a child is 20 kg. If g=9.8 m/s2. What is his weight?

## 0 Comments