Question # 1

The force with which earth attracts a body towards its center is equal to its

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Mass

Weight

Charge

Radius

Weight of the body is due to the :

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Gravitation force

Centripetal force

Centrufugal force

All 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

Orbital velocity v_o =

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√gR

√RG

gR

gR²

Moon is nearly km away from the Earth:

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3,80,000 km

3800 km

3,80 km

38 km

The Earth attracts a body with a force equal to its:

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Velocity

Gravity

Weight

Mass

Gravitational force is a

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Contacted force

Non-contact force

Electrical force

Charging force

Moon is ____ satellite.

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Natural

Communications

Artificial

Geostationary

The unit of gravitational constnat is:

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Nm² kg

Nm²kg^-2

Nm²kg^-1

N - m²

GPS consists of __________ earth satellites.

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30

2

7

24

S.I unit of gravitational field strength is:

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Nkg

Nkg^-1

Nkg^-2

Nkg^-3

The speed geostationary satellite with respect to earth is:

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8.33 kms^-1

3.87 ms^-1

32 ms^-1

Zero

The radius R of the earth is:

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6 x 10¹⁸m

6.4 x 10⁶m

6.4 x 10⁸m

6.4 x 10¹²m

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