Question # 1

When a block a place on the surface its weight produce.

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Tension

Momentum

Inertia

Normal reaction

That force which produces an acceleration of one metre per second per second in a body of one kilogram mass is called

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1 joule

1 newton

1 watt

1 ampere

If a 20 N wight of block hang with the string vertically then tension in string is:

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0 N

20 N

2 N

10 N

Product of mass and velocity of a body is called.

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Torque

Force

Work

Momentum

The formula to determine the centripetal force is:

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Ms

mv²/r

Ns

Ns^-1

Co-efficient of friction between iron and iron is:

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1.0

0.62

0.9

1.2

Coefficient of friction between tyre and dry road is.

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0.6

1

0.05

0.2

Which of the following relation is correct?

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F = m/a

F = m-a

F = ma

F = m + a

Which types of friction of maximum

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Sliding

Rolling

Both a and b

None

The product of mass and _______ is called momentum;

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Velocity

Force

Acceleration

None

Co-efficient of friction between glass and glass.

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1.0

0.9

1

0.8

Friction causes _____________

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Heat

Light

Mass

Weight

The weight of a body of mass 20 kg is:

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2 N

10 N

20 N

200 N

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9th Class Physics Chapter 3 Dynamics English Medium KPK Boards Online Mcqs MCQs With Answers

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