Gravitation — Practice Quiz
Telangana Open School (TOSS) · Class 12 · Physics
Try a 4-question quiz on Gravitation for Telangana Open School (TOSS) Class 12 Physics: tap an answer to check it and see why.
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Quick Quiz: Gravitation
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According to Newton's law of gravitation, the gravitational force between two bodies is:
The value of the universal gravitational constant G is:
The acceleration due to gravity on the surface of the Earth is approximately:
The gravitational force between two bodies becomes zero when:
Sample Questions
The direction of acceleration due to gravity 'g' is always:
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Downward
The acceleration due to gravity is always directed vertically downward, toward the center of the Earth.
The weight of a body is maximum at:
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Poles
The value of 'g' is maximum at the poles due to the Earth's shape and rotation, so weight (mg) is also maximum there.
The escape velocity from the surface of the Earth is approximately:
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11.2 km/s
The escape velocity from Earth is 11.2 km/s, calculated using v_e = √(2gR).
The orbital velocity of a satellite close to the Earth's surface is approximately:
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7.9 km/s
The orbital velocity for a low Earth orbit is about 7.9 km/s, derived from v_o = √(gR).
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