Question # 1

A force of 20 N is acting on a body of mass 8 kg,Its acceleration will be

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2.5 ms-2

4.5 ms-2

5.5 ms-2

3.5 ms-2

If the weight body is greater then tension then body will.

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Move upward

move downward

not move

None

The unit of velocity and speed is.

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ms

ms^-2

ms^-1

ms-3

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 g1

1/4 g

The amount of matter in a body is called:

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Velocity

Momentum

Mass

Force

The kinetic energy of a body of mass 2 kg is 25 J. Its speed is:

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5 ms^-1

12.5 ms^-1

25 ms^-1

50 ms^-1

The unit of momentum is:

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kgms^-2

kgms^-1

Ns^-1

None of these

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

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Less than

Greater than

Equal

Constant

According to law of conservation of energy increases in P.E is equal to:

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Increase K.E

Decrease in K.E

Decrease in P.E

None

Falls ceiling is done to:

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Lower the height of ceiling

Keep the roof clean

Cool the room

Insulate the ceiling

Transfer of heat between two bodies which are at same temperature is:

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Maximum

Minimium

Positive

Zero

The first man who gave the idea of gravity:

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Hero

Einstein

Newton

Faraday

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

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