Question # 1

The value of 'g' is greater at:

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Moon

Hills

Sea leavel

Desert

The value of G is _________ every where:

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Same

Varying

Changing

1.62

The value of gravitational constant is, G is:

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6.67× 10-10 Nm2/Kg2

6.67× 10-11 Nm2/Kg2

6.67× 10-11

None

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

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Velocity

Gravity

Weight

Mass

The value of 'g' on the surface of Mars:

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3.73 ms^-2

1.62 ms^-2

Zero

Constant

The velocity of geostationary satellites with respect to Earth is

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Vo

2Vo

Zero

1/2 Vo

Orbital velocity v_o =

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√gR

√RG

gR

gR²

The altitude of geostationary orbits in which communication satellites are launched above the surface of the Earth.

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850 km

1000 km

6400 km

42,300 km

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

The force exerted by earth on moon is :

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2.01× 1020 N

2.01× 1020 Kg

2.01× 1021 N

2.01× 1022 Kg m/s2

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

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Issac Newton

Einstein

Faraday

J,S Joseph

The weight of a body is 100 N its weight in deep space is :

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100 N

50 N

25 N

0 N

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