Test: Gravitation - 2


25 Questions MCQ Test General Science for UPSC (Civil Services) Prelims | Test: Gravitation - 2


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This mock test of Test: Gravitation - 2 for UPSC helps you for every UPSC entrance exam. This contains 25 Multiple Choice Questions for UPSC Test: Gravitation - 2 (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Gravitation - 2 quiz give you a good mix of easy questions and tough questions. UPSC students definitely take this Test: Gravitation - 2 exercise for a better result in the exam. You can find other Test: Gravitation - 2 extra questions, long questions & short questions for UPSC on EduRev as well by searching above.
QUESTION: 1

If a rock is brought from the surface of the moon

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QUESTION: 2

A body is weighed at the poles and then at the equator. The weight

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QUESTION: 3

Consider a satellite going round the earth in a circular orbit. Which of the following statements is wrong ?

Solution:

Centripetal acceleration works on it.

QUESTION: 4

A missile is launched with a velocity less than the escape velocity. The sum of its kinetic and potential energy is

Solution:
Kinetic energy would be obvious = 0.5mv^2
and the potential Energy would be= -Gm/r^2
Now total energy = 0.5mv^2 – Gm/r^2 hence would be negative as r approaches infinity.
QUESTION: 5

SI unit of g is

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QUESTION: 6

SI unit of G is

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QUESTION: 7

Choose the correct statement of the following:

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QUESTION: 8

Maximum weight of a body is

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QUESTION: 9

If the distance between two masses be doubled, then the force between them will become

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QUESTION: 10

A body falls freely towards the earth with

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QUESTION: 11

If the mass of a body is M on the surface of the earth, then its mass on the surface of the moon will be

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QUESTION: 12

Weight

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QUESTION: 13

The value of g near the earth's surface is

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QUESTION: 14

A geostationary satellite

Solution:

A geostationary satellite revolves around the earth with the same angular velocity and in the same sense as done by the earth about its own axis, i.e. west-east direction. A polar satellite revolves around the earth's pole in north-south direction.

QUESTION: 15

The force of gravitation between two bodies depend upon

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QUESTION: 16

When an object is thrown up, the force of gravity

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QUESTION: 17

The force of gravitation exists

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QUESTION: 18

1 kg wt is equal to

Solution: 1 kg-wt and express it in newton. 1 kilogram weight is that gravitational force which acts on a body of mass 1 kg. This means that the weight of 1 kgmass is 9.8 N.
Hence the answer is option (a)
QUESTION: 19

Mass of oil is 11040 kg and volume is 12 m³, its density would be

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QUESTION: 20

The value of G does not depend on

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QUESTION: 21

The mass of the Jupiter is 1.9 × 1027 kg and that of the sun is 1.99 × 1038 kg. The mean distance of the Jupiter from the sun is 7.8 × 1011 m. Speed of the Jupiter is (assuming that Jupiter moves in a circular orbit around the sun)

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QUESTION: 22

The acceleration due to gravity

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QUESTION: 23

SI unit of weight is

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QUESTION: 24

Gravitational force which acts on 1 kg is

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QUESTION: 25

Weight is

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