Question # 1

The earth also completes its one revolution about its axis in.

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1 Hours

6 Hours

13 Hours

24 Hours

Weight of the body is__________ to the gravity force between body and earth:

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Less than

Greater than

Equal

Constant

Everybody in the universe attracts other body with a force which is

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Directly proportional to the product of their masses

Inversely proportional to the product of their masses

Directly proportional to the distance between them

Directly proportional to the square of the distance between them

The value of gravitational constant "G" is Nm² kg^-2

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6.67 x 10^-21

6.67 x 10^-11

6.67 x 10^-23

6.67 x 10¹¹

Weight of the body when we increase its height from earth's surface.

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Increase

Decrease

Remain constant

None

GPS consists of __________ earth satellites.

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30

2

7

24

the value of gravitational field strength near the earth is ________ Nkg^-1.

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1.62

100

10

160

Weight of the body is due to the :

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Gravitation force

Centripetal force

Centrufugal force

All of the above

Law of Gravitation is consistence with:

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1st Law of motion

2nd Law of motion

3rd Law of motion

Law of momentum

Value of g increases with the

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Increases in mass of the body

Increase in altitude

Decreases in altitude

None of the above

The gravitational field exist _________ the earth.

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One direction

Upward

All aorund

Downward

A satellite revolving around very close to Earth has speed nearly:

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8 kms^-1

5 kms^-1

10 kms^-1

100 kms^-1

Near the earth surface the gravitational field strength is:

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1 N kg^-1

10 N kg^-1

100 N kg^-1

101 N kg^-1

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