Question

What is defenation of garvity

Answer 1

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In simple words gravity  is a force which tries to pull two objects toward each other. 

Any object , which contains mass has a gravitational pull.

For example:-

• The planets which revolve around the sun has gravitational pull.

• Fruits or leaves falling from trees.

• The force that causes a ball you throw in the air to come down again.

The S.I unit of Gravitation is Newton's per kilogram. 

Sir Issac Newton founded the gravity exerted by earth. He saw an apple falling from a tree and started to search about it.

Speed of gravity was between 2.55 × 10^8 and 3.81 × 10^8 meters-per-second.

The size of the pull depends on the masses of the objects.

Some people think that there is no gravity in the space. But according to scientists, there is some amount of gravity in space . That is what gravity causes Earth to move around sun.

Gravity is actually made of quantum particles, which is called "gravitons".

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