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The ratio of gravitational acceleration on the surface of Earth and Moon is

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Important Questions on Gravitation

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A metal sphere is dipped in water. If at 0 °C & 4 °C  the buoyancies in water are β1 and β2 respectively, then :
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The value of acceleration due to gravity is:
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The weight of the wooden block is W. The apparent weight of the body on floating water is
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Two metal pieces when immersed in liquid experience equal upthrust on them, then :
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The weight of an object on a planet is 0.25 times of its weight on earth. A pendulum clock that ticks once every second on earth is taken to the planet. In that planet the clock would tick once in every. 
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On halved the distance between two masses, the gravitational force between them will be:
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The weight of a body is 9.8 N, when g=9.8 m s-2 the mass of the body is
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Value of G on surface of earth is 6. 673 × 10-11 N m2/kg2, then value of G on surface of Jupiter will be

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A block floats with its fraction ηE inside water when immersed in a beaker containing water and kept on the earth. The beaker along with the block is shifted to the surface of the moon. If ηM is the fraction of the block now immersed in water, which of the following relations is correct? 
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The value of acceleration due to gravity g on the Earth will be maximum at :
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A simple pendulum has a time period T1 when on the earth's surface and T2 when taken to a height R above earth's surface, where R is the radius of the earth.
The value of ratio T2T1 will be :
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The astronomical object closest to us is

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The force between a hollow sphere of mass M and a point mass mat P inside it (Shown in figure): (PC=X, Radius =r

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The mass of a person on earth surface is 60 kg then his mass on moon will be
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Unit of universal gravitational constant is
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If the distance between two masses is doubled then the gravitational force between them will be
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The unit of mass among the following is

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If distance between Earth and Moon is increased by six times, then force of gravitation between both:
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What is the mass of 6 kg object on the moon?
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Which one of the following statements is INCORRECT ?