1.Gravitation
作者：Raj Dubey
1. Kepler' s LAW
2. Earth's Gravitational Force
3. Variation In value of g
4. Free Fall
5. Escape Velocity
6. Gravitation
6.1. Force and motion
7. Newtons Universal Law Of Gravitation
7.1. Uniform circular motion / magnitude of centripital force
8. Earth's Gravitational Acceleration
9. Mass And Weight
10. Gravitational Potential Energy
