Question

State universal law of gravitaion.Give its two application​

Answer 1

Newton's law of universal gravitation states that a particle attracts every other particle in the universe with a force which is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.

Applications:


(i) Universal law of gravitation is used to determine the masses of the sun, the earth and the moon accurately.

(ii) Universal law of gravitation helps in discovering new stars and planets.

Answer 2

According to universal law of gravitaion the force acting between two mass bodies is directly proportional to the product of their masses and inverswly proportional to the square of distance between them.

Applications of universa law of gravitation

The force that binds object to earth

Motion of earth around sun