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The radius and mass of earth are increased by Which of the following statements are true at the surface of the earth?
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Important Questions on Gravitation
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JEE Main
IMPORTANT
Four particles each of mass are located at the vertices of a square with side length. The gravitational potential due to this at the centre of the square is
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JEE Main
IMPORTANT
The gravitational field due to a mass distribution is in thedirection. ( is a constant). Taking the gravitational potential to be zero at infinity, its value at a distanceis
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JEE Main
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A body of mass rises to height from the earth's surface, where is earth's radius. If is acceleration due to gravity at earth's surface, the increase in potential energy is
MEDIUM
JEE Main
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The escape velocity of a body of mass on a planet is . Gravitational potential energy of the body at the planet is
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IMPORTANT
For the moon to cease to remain in the earth's satellite, its orbital velocity has to increase by a factor of
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JEE Main
IMPORTANT
The ratio of the radii of planets and is and ratio of acceleration due to gravity on them is . The ratio of escape velocities from them will be . Value of is _____.
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JEE Main
IMPORTANT
If the mass of the earth is , radius is and gravitational constant is , then work done to take mass from the earth's surface to infinity will be
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JEE Main
IMPORTANT
The correct graph representing the variation of total energy kinetic energy and potential energy of a satellite with its distance from the centre of earth is
