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what is gravitational potential energy?

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what i know is

  • potential energy possessed by a body by virtue of its position with respect to the ground is known as

    gravitational potential energy

  • -4

no thats not true

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how so

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The potential energy of a body is due to its higher position above the earth and it is equal to the work done on the body against gravity in moving the body to that position.

W= mgh where m=mass of the body,g=acceleration due to gravity and h=height of the body.

While Gravitational potential energy (U) is the amount of work done against gravity to take a body away from the earths surface (where h = 0).

U = -GM e m/r

M e = mass of earth, m = mass of object, r = distance between the center of earth and the object.

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