Question # 1

Which is unitless quantity:

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Mass

Force

Inertia

Momentum

The machine which use unequal masses to find the value of "g" is ________

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Free fall apparatus

Atwood machine

Pulley

None

S.I unit of force is:

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N

Ns

s

None

1 Newton =_________

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1 kg ms^-2

1 kg ms

1 kg m^-1s^-2

1 kg^-1m^-1 s^-1

Gravitational pull of earth is called:

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Weight

Mass

^Force

Tension

Coefficient of friction between tyre and dry road is.

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0.6

1

0.05

0.2

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

Law of motion was presented by the scientist.

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Einstein

Newton

Galileo

Archimedes

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

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Tension

Momentum

Inertia

Normal reaction

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

If the object is at rest to T .............. W.

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=

=/

<

>

Newton related inertia of the body with its

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Weight

Mass

Density

Force

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

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2.5 ms-2

4.5 ms-2

5.5 ms-2

3.5 ms-2

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

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