Question

what is tha meaning of gravity​

Answer 1

Hi friend here is your answer.

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Gravity -- The force by which planets (stars or any other very big objects) attract any object which is present on it is called gravity of that planet.

Its always attractive in nature.

Our earth has gravity which is equal to 9.8 m/s^2.

Gravity is because of the core of the earth.

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Answer 2

the force that attracts a body towards the centre of the earth, or towards any other physical body having mass.