Question # 1

The direction of momentum is

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opposite to motion

Along the velocity

Perpendicular to motion

None of these

If no external force acting on a body then such system is called.

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Ideal system

Controlled system

Isolated system

None

The approximate weight of 80 gram mass on the surface of Earth is

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800 N

80 N

0.8 N

8 N

S.I unit of weight is:

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kg

m

N

K

What is mass of body if W = 580 N ?

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5.8 Kg

0.58 kg

0.058 kg

58 kg

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

Which of the following relation is correct?

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F = m/a

F = m-a

F = ma

F = m + a

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

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

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Tension

Momentum

Inertia

Normal reaction

Which parameter remain same every where?

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Force

Mass

Weight

Velocity

Rocket works on principle of ______________

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Action Reaction

Law of inertia

Mass energy

Nil

1 N ___________

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1 kgms^-2

1 kg ms^-1

ms^-2

All

The formula for centripetal force is:

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Fc = mv2

Fc = mr2

Fc = mv2 / r

Fc = m/v

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