Gravitation

Related Questions

• If the Earth losses its gravity, then for a body

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• The change in potential energy, when a body of mass m is raised to a height nR from the earth's surface is (R = Radius of earth)

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• The escape velocity of an object from the earth depends upon the mass of the earth (M), its mean density $(\rho )$, its radius (R) and the gravitational constant (G). Thus the formula for escape velocity is

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• A body has a weight 90 kg on the earth's surface, the mass of the moon is 1/9 that of the earth's mass and its radius is 1/2 that of the earth's radius. On the moon the weight of the body is

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• If the earth suddenly shrinks (without changing mass) to half of its present radius, the acceleration due to gravity will be

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