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An object is undergoing a non-accelerated motion. It's rate of change in momentum is

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Important Questions on Measurement, Motion and Force

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Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 1 - Measurement, Motion and Force>Practice Exercise>Q 44

A motor vehicle is moving on a circle with a uniform speed. The net acceleration of the vehicle is:

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Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 1 - Measurement, Motion and Force>Practice Exercise>Q 45

Which one among the following situations is best represented by the velocity $-$ time graph shown below?

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Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 1 - Measurement, Motion and Force>Practice Exercise>Q 47

Motion of a particle can be described in

x

- direction by

x = a \sin ω t

and

y

- direction by

y = b \cos ω t

. The particle is moving on

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Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 1 - Measurement, Motion and Force>Practice Exercise>Q 48

The plot given below represents displacement $s$ of a particle with time $t$ . The particle is

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Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 1 - Measurement, Motion and Force>Practice Exercise>Q 49

A bullet of mass

20 g

is fired in velocity

150 m s^{- 1}

from a pistol of mass

1 kg

. Recoil velocity of the pistol is

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Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 1 - Measurement, Motion and Force>Practice Exercise>Q 50

A passenger in a moving train tosses a coin upward which falls behind him. It implies that the motion of the train is

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Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 1 - Measurement, Motion and Force>Practice Exercise>Q 51

Two cars

A

and

B

have masses

m_{A}

and

m_{B}

respectively, with

m_{A} > m_{B}

. Both the cars are moving in the same direction with equal kinetic energy. If equal braking force is applied on both, then before coming to rest

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Pathfinder NDA / NA National Defence Academy and Naval Academy Entrance Examination Physics>Chapter 1 - Measurement, Motion and Force>Practice Exercise>Q 53

A particle is moving with uniform acceleration along a straight line

A B C

, where

A B = A C

. The average velocity of the particle from

A

B

10 m s^{- 1}

and from

B

C

15 m s^{- 1}

. The average velocity for the whole journey from

A

C

m s^{- 1}

An object is undergoing a non-accelerated motion. It's rate of change in momentum is

Important Questions on Measurement, Motion and Force

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