Question # 1

Product of mass and velocity of a body is called.

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Torque

Force

Work

Momentum

What is unit of momentum?

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Kg m/s

m

c

Nil

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

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Cart

Earth

Horse

Earth and Cart

Two bodies of masses m₁ and m₁ attached to the ends of an inextensible string passing over a frictionless pulley such that both move vertically. The acceleration of the bodies is:

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m1 x m₂ / m₁ + m₂ g

m₁ - m₂ / m₁ + m₂ g

m₁ + m₂ / m₁ - m₃ g

None of these

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

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Same

Parallel

Opposite

Equal

A boy jumps out of a moving bus. There is danger for him to fall

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Towards the moving bus

In the direction of motion

away from the bus

Opposite to the direction of motion

A body jumps out of a moving bus. There is a danger for him to fall:

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Towards the moving bus

Away form the bus

In the direction of motion

opposite to the direction of motion

S.I unit of weight is:

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kg

m

N

K

Newton related inertia of the body with its

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Weight

Mass

Density

Force

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9th Class Physics Chapter 3 Dynamics English Medium KPK Boards Online Mcqs MCQs With Answers

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