Question # 1

The angle between rectangular components of a vector is

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0°

90°

180°

270°

Friction is due to

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Roughness

Shape

Smoothness

None

To make a body more stable ________ should be lowered:

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Axis of rotation

Center of gravity

Stabilty

None

Value of g on mercury is ___________ ms^-2.

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25.94

3.7

8.87

1.62

The value of gravitational acceleration when a body is moving in downward direction is.

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10 ms^-1

10 ms^-2

10 m

-10 ms

Work done is maximum when angle between force and displacement is:

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45°

0°

60°

90°

The quantity that depends upon the force and increases with decrease in the area on which force is acting is called

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Momentum

Pressure

Mass

Velocity

A measuring cylinder is used to measure.

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Mass

Area

Volume

Level of liquid

1 mega watt is equal to:

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10² W

10³ W

10⁵ W

10⁶W

The vector which has the same effect as the combined effect of vectors:

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Negative vector

The vector

Resultant vector

Zero vector

The unit of momentum is:

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kgms^-2

kgms^-1

Ns^-1

None of these

Work is zero when "F" and "S" will be:

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Parallel

Perpendicular

Anti parallel

Tangent

Rolling friction is___________ then sliding friction :

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Greter

Less

Some

Half

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9th Class Physics English Medium KPK Boards Online Mcqs MCQs With Answers

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