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If the acceleration due to gravity at th...

If the acceleration due to gravity at the surface of the earth is g, the work done in slowly lifting a body ofmass m from the earth's surface to a height R equal to the radius of the earth is

A

`1/2mgR`

B

`2mgR`

C

`mgR`

D

`1/4mgR`

Text Solution

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The correct Answer is:
A
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HC VERMA-GRAVITATION-Objective -1
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  4. Consider a planet in some solar system which has a mass double the mas...

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  5. If the acceleration due to gravity at the surface of the earth is g, t...

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  6. A person brings a mass of 1 kg from infinity to a point P. Initially t...

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  7. Let V & E be gravitational potential & gravitational field at a distan...

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  8. Let V & E be gravitational potential & gravitational field at a distan...

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  9. What are the values of g and G at the centre of the earth?

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  10. The time period of a satellite orbiting Earth in a circular orbit is i...

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  11. The magnitude of gravitational potential energy of the moon earth sys...

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  15. The kinetic energy needed to project a body of mass m from the Earth s...

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  16. A particle is kept at rest at a distance R (earth's radius) above the ...

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  17. A satellite is orbiting the earth close to its surface. A particle is ...

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