Question # 1

Unit of acceleration is

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ms-1

ms

ms-2

m2s

Change of momentum is equal to

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Force

Tension

Impulse

Pressure

Unit of impulse is equivalent to that of.

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Force

Momentum

Acceleration

Velocity

Rate of change of velocity is called

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Speed

Acceleration

Displacement

Torque

The horizontal component of velocity of projectile

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Increases

Decreases

Remain same

Decreases and then increases

A force applied on a body produces acceleration in

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Opposite direction

perpendicular direction

Its own direction

In any direction

the acceleration along x -axis direction in case of projectile is.

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Zero

Equal to gravity

Maximum

Constant

The velocity of a free falling body just before Hattin the ground is 9.8 ms-1, the height through which is fall be

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98 m

19.6 m

4.9 m

9.8 m

Height of projectile is maximum at an angle of.

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45^o

60^o

30^o

90^o

the shortest distance between two points is called.

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Speed

Acceleration

Distance

Displacement

The shortest distance between two points is called

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Distance

Amplitude

Displacement

Is a number

No body begins to move or comes to rest of itself was given by

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Newton

Pascal

Bernoulli

Bu Ali Sina

The mass of a body is quantitative measure of its

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Motion

Inertia

Weight

All of these

When the projectile reaches the highest point of trajectory, the vertical component of velocity becomes.

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Small

Zero

Maximum

Vi cos

A mass of 1 kg is freely falling. The force of gravity is.

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1 N

9.8 N

0.5 N

Zero

The velocity of a projectile is maximum

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At the highest point

At point of launching and just before striking the ground

At half of the height

After striking the ground

The ballistic missiles are used only for

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Long range

Short range

Medium range

Constant range

10 N and 20 N are acting on a body of mass 2 kg the minimum acceleration will be.

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10 ms-2

20 ms-2

60 ms-2

5 ms-2

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Physics Fsc Part 1 Chapter 3 Online Test MCQs With Answers

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