Question # 1

Product of mass and velocity of a body is called.

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Torque

Force

Work

Momentum

What is the effect of lubricicantion?

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Increase friction

No effect

Reduce friction

None

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

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Cart

Earth

Man

Earth & cart

Motion of the rocket is the example of which law?

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First law

Second law

Third law

Law of momentum

The static fraction between wood and lather is _______________

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0.6

0.7

0.9

0.8

Walking on earth is the example of which law?

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First law

Second law

Third law

Law of momentum

In which case it is easy for the tyre to roll over:

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Rough ground

Smooth ground

Same

None

Relation between force and momentum is:

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ΔP/F

ΔP/t

ΔPF

None

Which types of friction is minimum?

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Sliding

Limiting

Rolling

None

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

The acceleration produced in a moving body is always in the direction of applied

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Velocity

Force

Speed

Momentum

Newton related inertia of the body with its

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Weight

Mass

Density

Force

Which of the following is unit of momentum?

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Nm

Kgms^-2

Ns

Ns^-1

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

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