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The ratio ggh, where g and gh are the accelerations due to gravity at the surface of the Earth and at a height h above the Earth's surface, respectively, is

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Important Questions on Gravitation

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A body of weight 500 N on the surface of the earth. How much would it weigh half-way below the surface of the earth?

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The value of g decreases inside the surface of the earth because
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The change in the value of g at a height h above the surface of the earth is the same as at a depth d below the surface of earth. When both d and h are much smaller than the radius of earth, then which one of the following is correct?
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The gravitational potential energy of a body of mass m at a distance r from the centre of the earth is U. What is the weight of the body at this distance?
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Agniveer Vayu
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A particle of mass m is placed at the centre of a uniform spherical shell of mass 3 m and radius R. The gravitational potential on the surface of the shell is
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A mass m is placed at a point B in the gravitational field of mass M. When the mass m is brought from B to a near point A, its gravitational potential energy will
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The gravitational field due to a mass distribution is E=Ax2, in the x-direction. Here, A is a constant. Taking the gravitational potential to be zero at infinity, the potential at x is
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Agniveer Vayu
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Two bodies of masses m and 9m are placed at a distance r. The gravitational potential at a point on the line joining them, where gravitational field is zero, is (G is universal gravitational constant)