Question # 1

In symbols, Newton's second law of motion is stated as

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F = m/a

F = ma

F = a/m

F = ma²

The product of mass and _______ is called momentum;

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Velocity

Force

Acceleration

None

A ball of mass 1 kg moving with velocity 2 ms-1, Its momentum will be

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1 Ns

2 Ns

0.5 Ns

4 Ns

Inertia depends upon:

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Weight

Mass

Density

Force

How much force is needed to body of mass 10 kg from falling:

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100 N

150 N

200 N

300 N

The force which complete a body to move in circle is:

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Centripetal force

Centrifugal force

Perpendicular force

Tension

Sliding friction can be converted into rolling friction by using

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Levers

Wedges

Ball bearings

Pulleys

The momentum of two or more than two bodies intersacting remain constant in:

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Law of inertia

Isolated system

System

None

Why a coin stacked over remain undisturbed on pulling the paper strips quickly?

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Due to charge

Due to motion

Due to inertia

Due to material

Centripetal force always acts _________ to the motion:

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Opposite

Parallel

Perpendicular

Upward

When a horse pulls a cart , the action is on the :

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Cart

Earth

Man

Earth & cart

Which of the following material lowers friction when pushed between metal plates:

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Water

Fine marble poder

Air

Oil

Outer edge of the curved road is elevated to prevent

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Circular motion

Centripetal force

Skidding

Protection

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

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