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Chapter- Gravitation Sub topic: universal law of gravitation and its importance.
vandana rajput
2 minutes 12 seconds
5 years ago
Chapter- Gravitation Sub topic: universal law of gravitation and its importance.
The force of attraction between any two bodies in the universe is called gravitational force .Newton's proposed the universal law of gravitation and showed that the gravitational force between two masses varies inversly proportional to the square of the distance between them.This fact was proved by him on the basis of Keplers laws of planetary motion.The mathematical expression of universal law of gravitation is: F= G m1m2/r2
