Question # 1

The weight of a body is 100 N its weight on moon is :

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0.17 Kg

1.7 N

17 N

170 N

Mass of earth is approximately _________

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3.7 x 10²⁴ kg

25.94 kg

6.0 x 10²²kg

6 x 10²⁴kg

The orbital speed of a low orbit satellite is:

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Zeri

8 ms^-1

800 ms^-1

8000 ms^-1

The unit of gravitational constnat is:

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Nm² kg

Nm²kg^-2

Nm²kg^-1

N - m²

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

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Altitude

Depth

Sun

Moon

The value of g on moon's surface is 1.6 ms^-2. what will be the weight of a 100 kg body on the surface of the moon?

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100 N

160 N

1000 N

1600 N

Gravitational constant depends on:

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Medium

Force

Weight

It does not depend son anything

The value of g on moon's surface is 1.6 ms-2. What will be the weight of a 100 kg body on the surface of the moon?

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100 N

160 N

1000 N

1600 N

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

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

Earth's gravitational force of attraction vanishes at

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6400 km

Infinity

42300 km

1000 km

Due to _____________ we can watch live programs.

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Natural Satellite

Antenna

Artificial satellite

Nil

S.I unit of G is:

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Nm^-2 kg²

Nm^-2Kg^-2

Nm²kg^-2

Nm²kg^-3

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