Derive the concept of gravity.
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Gravity is a force which tries to pull two objects toward each other. Anything which has mass also has a gravitational pull. Gravity is what holds the planets in orbit around the Sun and what keeps the Moon in orbit around Earth. The closer you are to an object, the stronger its gravitational pull is.For any two objects or particles having nonzero mass, the force of gravity tends to attract them toward each other. He also demonstrated mathematically that gravitational fields cause distortion in space and time.
In the first equation above, g is referred to as the acceleration of gravity. Its value is 9.8 m/s2 on Earth. That is to say, the acceleration of gravity on the surface of the earth at sea level is 9.8 m/s2. When discussing the acceleration of gravity, it was mentioned that the value of g is dependent upon location.