Question

Explain about universal law of Gravitation​

Answer 1

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• ❥Stated in modern language, Newton's universal law of gravitation states that every particle in the universe attracts every other particle with a force along a line joining them. The force is directly proportional to the product of their masses and inversely proportional to the square of the distance between them

Answer 2

Universal Law of Gravitation :-

Every particle in this universe attracts every other particle with a force which is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centres.

Mathematically:-

It is written as

$F = \frac{Gm1m1}{ {r}^{2} }$

Importance of Universal Law of Gravitation:-

• It is the Gravitational force between the sun and the earth , which makes the earth to move around the sun with a uniform speed. similarly, it is the Gravitational force between the earth and the moon, which makes the moon move around the earth with uniform speed. Infact , the Gravitational force is responsible for the existence of our solar system.

• The tides formed in the sea are because of Gravitational pull exerted by the sun and the moon on the surface of water.

• It is the Gravitational pull of the earth , which keeps us and other bodies firmly on the ground.

• It is the Gravitational pull of the earth , which holds our atmosphere in place.

• Gravitational pull of the earth keeps the enormous amount of water in oceans in place and prevents it from flowing.

●Hope it helps you