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If the mass of the Sun were ten times smaller and the universal gravitational constant were ten times larger in magnitude, which of the following is not correct?
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Important Questions on Gravitation
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Two astronauts are floating in gravitational free space after having lost contact with their spaceship. The two will:
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The acceleration due to gravity at a height above the earth is the same as at a depth below the surface of earth. Then
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Starting from the center of the earth having radius, , the variation of (acceleration due to gravity) is shown by
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A satellite of mass is orbiting the earth (of radius ) at a height from its surface. The total energy of the satellite in terms of , the value of acceleration due to gravity at the earth's surface, is
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At what height from the surface of earth the gravitation potential and the value of g are and respectively? Take the radius of earth as :
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The ratio of escape velocity at earth to the escape velocity at a planet whose radius and mean density are twice as that of earth is:
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Kepler's third law states that the square of the period of revolution of a planet around the sun is proportional to the third power of the average distance between sun and planet i.e., , here is constant. If the masses of sun and planet are and respectively then as per Newton's law of gravitation force of attraction between them is , here is gravitational constant. The relation between and is described as:
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A satellite S is moving in an elliptical orbit around the earth. The mass of the satellite is very small compared to the mass of the earth. Then,
