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Physics 9th Class English Medium Unit 3 Online Test MCQs With Answers

Question # 1

The force_________oppose the motion of a moving object is called:

Choose an answer

Momentum

Friction

Power

Work

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Question # 2

A body jumps out of a moving bus. There is a danger for him to fall:

Choose an answer

Towards the moving bus

Away form the bus

In the direction of motion

opposite to the direction of motion

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Question # 3

Sliding friction can be converted into rolling friction by using

Choose an answer

Levers

Wedges

Ball bearings

Pulleys

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Question # 4

Gravitational pull of earth is called:

Choose an answer

Weight

Mass

^Force

Tension

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Question # 5

The weight of body is 147 N, Its mass will be ________ when g = 10 ms^-2

Choose an answer

1.47 kg

14.7 kg

47 kg

1.51 kg

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Question # 6

Waking on earth is the example of

Choose an answer

1st law of motion

Second law of motion

Third law of motion

Law of Momentum

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Question # 7

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

Choose an answer

2.5 ms-2

4.5 ms-2

5.5 ms-2

3.5 ms-2

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Question # 8

Centripetal force always acts _________ to the motion:

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Opposite

Parallel

Perpendicular

Upward

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Question # 9

___________ helps us to pick up objects.

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Force

Weight

Friction

Nil

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Question # 10

The amount of matter in a body is called:

Choose an answer

Velocity

Momentum

Mass

Force

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Question # 11

Action and Reaction are always on:

Choose an answer

Same body

Different bodies

Any body

None of these

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Question # 12

A string is stretched by two equal and opposite forces 10 N each. The tension in the string is

Choose an answer

Zero

10N

20N

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Question # 13

What is the effect of lubricicantion?

Choose an answer

Increase friction

No effect

Reduce friction

None

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