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As we go from the equator to the poles, the value of g

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Important Questions on Gravitation

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Alpha Question Bank for Medical: Physics>Chapter 11 - Gravitation>Exercise-1>Q 20

Force of gravity is least at

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Alpha Question Bank for Medical: Physics>Chapter 11 - Gravitation>Exercise-1>Q 21

Spot the wrong statement:

The acceleration due to gravity g decreases if,

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Alpha Question Bank for Medical: Physics>Chapter 11 - Gravitation>Exercise-1>Q 22

If the earth suddenly shrinks (without changing mass) to half of its present radius, the acceleration due to gravity will be -

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Alpha Question Bank for Medical: Physics>Chapter 11 - Gravitation>Exercise-1>Q 27
The speed with which the earth has to rotate on its axis so that a person on the equator would weight (35)th as much as present will be (Take the equatorial radius as 6400 km.)
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Alpha Question Bank for Medical: Physics>Chapter 11 - Gravitation>Exercise-1>Q 28
A body of mass m is lifted-up from the surface of the earth to a height three times the radius of the earth. The change in potential energy of the body is (g= gravity field at the surface of the earth)
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Alpha Question Bank for Medical: Physics>Chapter 11 - Gravitation>Exercise-1>Q 29
The change in potential energy when a body of mass m is raised to a height nR from the earth's surface is [R= Radius of earth]
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Alpha Question Bank for Medical: Physics>Chapter 11 - Gravitation>Exercise-1>Q 30
If the mass of earth is M, radius is R and gravitational constant is G, then the work done to take 1 kg mass from the earth's surface to infinity will be,
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Alpha Question Bank for Medical: Physics>Chapter 11 - Gravitation>Exercise-1>Q 31
A rocket is launched with velocity 10 km/s. If radius of earth is R, then maximum height attained by it will be-