Q11 of 27 Page 64

The force of attraction between two unit point masses separated by a unit distance is called

The force of attraction between two unit point masses separated by a unit distance is called universal gravitational constant

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9

Two particles are placed at some distance. If the mass of each of the two particles is doubled, keeping the distance between them unchanged, the value of gravitational force between them will be

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The atmosphere is held to the earth by

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The weight of an object at the centre of the earth of radius R is

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An object weighs 10 N in air. When immersed fully in water, it weighs only 8 N. The weight of the liquid displaced by the object will be