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Calculate the work required to raise a b...

Calculate the work required to raise a body of mass m to a height h just above the earth's surface. Radius of the earth is R and acceleration due to gravity at the earth's surface is g.

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MODERN PUBLICATION-GRAVITATION-Practice Problems
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  2. Calculate the percentage change in weight of a body if taken to a heig...

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  3. A body weighs 90 N on the surface of earth. Calculate the gravitationa...

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  4. How much below the Earth's surface the value of g reduces to 30% of it...

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  5. At what depth below the surface of earth the acceleration due to gravi...

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  11. The escape velocity of a body from the earth is 11.2 km//s. If a body ...

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  12. A planet has a mass 120 times that of earth and radius is 5 times the ...

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  16. A spaceship of mass 70 kg is revolving in a circular orbit at a height...

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