Question # 1

The formula for centripetal force is:

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Fc = mv2

Fc = mr2

Fc = mv2 / r

Fc = m/v

The weight of body on earth with mass 8 kg is:

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10 N

100 N

80 N

8 N

A mass of a body:

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Decreases when accelerated

Increases when accelerated

Decreases when moving with velocity

None of the above

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

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Cart

Earth

Horse

Earth and Cart

A sugar bag of 1 kg has a momentum 25 kg m/s than its velocity is :

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v = 20 m/s

v = 25 kg

V = 25 m/s

v = 25 kg/ms-1

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

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Centripetal force

Centrifugal force

Perpendicular force

Tension

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 weight of a body of mass 20 kg is:

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2 N

10 N

20 N

200 N

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

What is mass of body if W = 580 N ?

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5.8 Kg

0.58 kg

0.058 kg

58 kg

Momentum is defined as the product of

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Mass and acceleration

Force and acceleration

Mass and velocity

Force and velocity

The unit of momentum is:

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kgms^-2

kgms^-1

Ns^-1

None of these

The product of mass and velocity is called ................. .

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Momentum

Force

Acceleration `

Nil

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