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The radius of moon is 14 times that of the earth and its mass is 180 times that of the earth. If g represents the acceleration due to gravity on earth, then its value on the surface of moon is,

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Important Questions on Gravitation

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The radius of earth is around 6000 km. The weight of a body at a height of 6000 km from the earth's surface becomes,
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The change in the value of g at a height h above the surface of the earth is same as at a depth d below the surface of the earth. When both d and h are much smaller than the radius of earth, then which one of the following option is correct?
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The height above the surface of earth at which the acceleration due to gravity becomes g9 (where, g=acceleration due to gravity on the surface of earth) in terms of R (the radius of the earth) is,

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If the spinning speed of the earth is increased, then the weight of the body at the equator,
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When the radius of the earth is reduced by 1% without changing the mass, then the acceleration due to gravity will,
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Weight of a body of mass m decreases by 1% when it is raised to a height h above the earth's surface. If the body is taken to same distance h below in a mine, then its weight will
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Acceleration due to gravity on the earth's surface is g. Find the effective value of acceleration due to gravity at a height of 32 km from the sea level. (Radius of earth, R=6400 km)
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Imagine a new planet having the same density as that of earth but it is 3 times bigger than the earth in size. If the acceleration due to gravity on the surface of earth is g and that on the surface of the new planet is g', then