Suppose a planet whose mass and radius is one-third of the mass and radius of the Earth. If the value of acceleration due to gravity on Earth is g, then its value on the planet will be . . . . . . . .
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Physics GK · all questionsGravitational Force
Gravitational Force
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If a person sitting in a lift, then when will he feel that his weight gets increased?
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How long does a geostationary satellite take to complete the revolution of an orbit at 35786 km altitude-
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Which of the following among is a weak force?
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The acceleration due to gravity of a destructive Earthquake will be
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A batsman hits a cricket ball which then rolls on a level ground. After covering a short distance, the ball comes to rest. The ball slows to a stop because
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A satellite in vacuum
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A piece of paper and a cricket ball are dropped from the same height. Under which of the following conditions, do both reach the surface Simultaneously?
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If the mass of two objects is tripled then the force between the two objects will be:
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A smooth plane inclined at an angle θ with the horizontal as shown in the given figure. A body starts from rest and slides down on the inclined surface. The time taken by the body to reach the bottom is
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At which of the following places is the gravitational acceleration zero?
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Which one of the following statements regarding artificial satellite of the earth is incorrect?
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Gravitational field intensity is
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Why is weightlessness experienced while orbiting the earth in space ships?
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The laws which govern the motion of planets are called
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Who was the first to experimentally determine the value of the Universal Gravitational Constant (G)?
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Which of the following statements is/are false?
1. The value of G is the same as its value on the moon, on Earth.
2. The gravitational force between the centers of two masses of 2 kg placed at a distance of 1m is 26.68 × 10-11 Nm2/kg2.
3. The force is inversely proportional to the square of the distance between the two objects.
4. The force of gravity between two objects doubles when the distance between them is halved.
1. The value of G is the same as its value on the moon, on Earth.
2. The gravitational force between the centers of two masses of 2 kg placed at a distance of 1m is 26.68 × 10-11 Nm2/kg2.
3. The force is inversely proportional to the square of the distance between the two objects.
4. The force of gravity between two objects doubles when the distance between them is halved.
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Who propounded the universal law of gravitation?
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The mass of a body on the Earth is 100 kg (acceleration due to gravity, ge = 10 m/s2). If acceleration due to gravity on the Moon is (ge = 106 m/s2), then the mass of the body on the Moon is
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A ball is dropped from the top of a high building with a constant acceleration of 9.8 m/s2. What will be its velocity after 3 s?
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