Gravitational Force MCQ question and answer with solution

91

The value of 'g' (gravity) varies from the value of 'R' (radius). A student would observe minimum 'g' at the:

A) Equator B) Tropic of Capricorn C) Poles D) Tropic of Cancer

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Answer & Solution

Answer: Option A

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92

The value of acceleration due to gravity (g) . . . . . . . .

A) is greater at the poles than at the equator B) is lesser at the poles than the equator C) is greater at the North pole than at the South pole D) is greater at the South pole than at the North pole

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Answer & Solution

Answer: Option A

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93

If the acceleration due to gravity on the surface of Earth is g, then the acceleration due to gravity on the surface of a planet whose mass is double that of earth and radius is same as that of earth is

A) 2g B) g C) $$\frac{g}{2}$$ D) 4g

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Answer & Solution

Answer: Option A

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94

How many times the weight of an object on the Earth is on the Moon?

A) $$\frac{1}{5}$$ B) 5 C) $$\frac{1}{6}$$ D) 6

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Answer & Solution

Answer: Option D

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95

The force of gravity on an object is called.

A) weight B) momentum C) stress D) impulse

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Answer & Solution

Answer: Option A

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96

Pick out the correct statement with reference to earth satellites

A) A satellite that revolves in a polar orbit is called a geostationary satellites B) Polar satellites are used as environment monitoring, military spying, and ozone layer monitoring C) Polar satellites are at a height of about 36000 km D) The time period of polar satellite is 6 hours

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Answer & Solution

Answer: Option B

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97

Intensity of gravitational field of the Earth is maximum at

A) poles B) equator C) centre of Earth D) surface

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Answer & Solution

Answer: Option A

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98

Which of the following is not related to universal law of gravity?

A) The force that binds us to the earth B) Moon movement around the Earth C) Tides due to Moon and Sun D) Movement of Earth around the Moon

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Answer & Solution

Answer: Option D

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99

Read the given statements (Assertion and Reason) carefully and select the most appropriate option with respect to them.
Assertion (A): Trees grow against gravity
Reason (R): Nature defines gravitational law

A) Both A and R are true and R is the correct explanation of A B) A is true but R is false C) Both A and R are false D) Both A and R are true and R is not the correct explanation of A

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Answer & Solution

Answer: Option B

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100

Assertion (A) There is not effect of rotation of earth on acceleration due to gravity at poles.
Reason (R) Rotation of earth is about polar axis.

A) Both A and R are true and R is the correct explanation of A B) Both A and R are true, but R is not the correct explanation of A C) A is true, but R is false D) A is false, but R is true

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Answer & Solution

Answer: Option A

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