Gravitational Force MCQ question and answer with solution

1

If the distance between two objects is doubled, what will be the effect on the force between them?

A) The gravitational force will increase 4 times B) Gravitational force will increase 2 times C) Gravitational force will decrease 2 times D) Gravitational force will decrease 4 times

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Answer & Solution

Answer: Option D

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2

The mass of an object is 20 kg, what will be the weight of that object on the Earth? [g = 9.8ms^-s]

A) -196N B) 196 N C) 1960 N D) 19.6 N

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Answer & Solution

Answer: Option B

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3

The acceleration due to gravity is maximum at . . . . . . . .

A) poles B) Equator C) The center of the earth D) at infinite distance from the earth

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Answer & Solution

Answer: Option A

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4

Satellite is kept moving in its orbit around the Earth; it is due to

A) Centrifugal force B) Centripetal force C) Gravitational force or lack of it D) Some other forces

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Answer & Solution

Answer: Option B

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5

The weight of an object is 6000N on Earth. What will be its weight on the surface of the Moon?

A) 3600 N B) 3600 kg C) 100 N D) 1000 N

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Answer & Solution

Answer: Option D

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6

What is the force of gravitational exerted on an object?

A) stress B) inertia C) weight D) work

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Answer & Solution

Answer: Option C

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7

Where can a geostationary satellite be installed?

A) Over any city on the equator B) Over the North or South pole C) At height R above earth D) At the surface of the earth

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Answer & Solution

Answer: Option A

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8

Unit of 'g', same as unit of acceleration, i.e. is . . . . . . . .

A) ms² B) ms¹ C) ms^-2 D) ms^-1

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Answer & Solution

Answer: Option C

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9

Escape velocity at the Earth's surface is

A) 4.9 krn/s B) 5 krn/s C) 11.2 krn/s D) 10.2 km/s

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Answer & Solution

Answer: Option C

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10

Consider the following statements.
1. Geostationary satellites are used to reflect TV signals and telecast TV programmes from one part of the world to another.
2. Polar satellites are used for weather forecasting.
Which of the statements given above is/are correct?

A) Only 1 B) Only 2 C) Both 1 and 2 D) Neither 1 nor 2

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Answer & Solution

Answer: Option A

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Gravitational Force MCQ question and answer with solution | Physics Gk MCQs