Question # 1

Which of the following is the unit of momentum?

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Nm

Kg ms^-2

Ns

Ns^-1

The unit of π is:

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N

m

s

None

2nd law of motion is stated as:

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F=m/a

F=ma

F=a/m

F=ma²

The rage of change of momentum is equal.

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Mass

Force

Weight

None

The unit of coefficient of friction .

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Newton

ms^-1

ms^-2

No unit

Rolling friction is___________ then sliding friction :

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Greter

Less

Some

Half

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

Motion of the rocket is the example of which law?

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First law

Second law

Third law

Law of momentum

Kgms^-2 is equal to:

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Joule

Mole

Newton

Watt

The force which keeps a body to move in a circle is called

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Gravitational force

Centripetal force

Centrifugal force

Rotational force

1 Newton =_________

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1 kg ms^-2

1 kg ms

1 kg m^-1s^-2

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

Rocket works on principle of ______________

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Action Reaction

Law of inertia

Mass energy

Nil

Newton related inertia of the body with its

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Weight

Mass

Density

Force

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

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