Question # 1

If the mass of moving body in a circle is doubled then centripetal force wil be:

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Doubled

Half

4 times

Same

To every action there is always an equal but __________ reaction:

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Same

Parallel

Opposite

Equal

The unit of momentum is:

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kgms^-2

kgms^-1

Ns^-1

None of these

A body has mass 986 Kg than W = ............... .

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9860 kg

9860 N

9860 m/s2

Nil

Which of the following is unit of momentum?

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Nm

Kgms^-2

Ns

Ns^-1

A body of mass 5 kg i moving with a velocity of 10 ms^-1. Find the force required to stop it in 2s.

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5 N

25 N

20 N

30 N

Which machine is used to find acceleration due to gravity?

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Centrifuge

Atwood machine

Hydraulic machine

Washing machine

S.I unit of force is:

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N

Ns

s

None

The formula of momentum is:

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P=Fa

P=mv

F=ma

F=mg

When a force of 4 Newton is applied on a body of mass 2 kg, the acceleration produced in it will be:

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2 ms^-2

4 ms^-2

8 ms^-2

6 ms^-2

The static fraction between wood and lather is _______________

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0.6

0.7

0.9

0.8

The formula to determine the centripetal force is:

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Ms

mv²/r

Ns

Ns^-1

Kgms^-2 is equal to:

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Joule

Mole

Newton

Watt

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

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