Question # 1

Near the surface of Earth, the gravitational field strength is

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10 Nkg-1

Zero

100 Nkg-1

1000 Nkg-1

The speed of satellites in GPS is:

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8.73 kms^-1

3.87 ms^-1

32 ms^-1

3.87 kms^-1

Moon is nearly _________ km away from earth.

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6 x 10²⁴

380000

199.62 km

30000

Orbital velocity v_o =

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√gR

√RG

gR

gR²

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

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Increase

Decrease

Remain constant

None

The value of g increases with the :

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Increase in the mass of the body

Increase in altitude

Decrease in altitude

None of the above

The first man who came up with the idea of gravity was?

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Issac Newton

Einstein

Faraday

J,S Joseph

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

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Less than

Greater than

Equal

Constant

________ is the height of an object or place above sea level.

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Altitude

Depth

Sun

Moon

The velocity of geostationary satellites with respect to the Earth is:

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Maximum

Zero

Minimum

100 ms^-1

The radius R of Earth is

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6.4 x 106 m

6.4 x 108 m

6.4 x 1010 m

6.4 x 1012 m

Gravitational force is a

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Contacted force

Non-contact force

Electrical force

Charging force

The value of g at a height one Earth's radius above the surface of the Earth is

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2 g

1/2 g

1/3 g

1/4 g

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9th Class Physics Chapter 5 Gracitation English Medium KPK Boards Online Mcqs MCQs With Answers

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