Question # 1

If the initial velocity of a projectile becomes doubled, the time of fight will be.

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Same

4 times

Double

3 times

A force of 10 N acts on a body of mass 5 kg in one second. The change in its momentum will be.

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10 kgms-1

50 kg ms-1

2 kg ms-1

20 kg ms-1

A ball is thrown up vertically, it takes 3 sec to reach maximum height. Its initial velocity is.

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10 ms-1

12.2 ms-1

15 ms-1

29.4 ms-1

Before the launch of a rocket the mass of fuel of the rocket is approximately consists of.

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60%

50%

80%

100%

If the slope of a velocity time graph gradually decreases than body is said to be moving with

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Positive acceleration

Negative acceleration

Uniform velocity

None

The rate of change of momentum is equal to

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Impulse

Torque

Velocity

Force

The acceleration of a projectile along x axis is.

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Zero

Increase

Decrease

Equal to 'g'

Food rich in proteins is:

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potato

grapes

vegetables

bread

When the car moves with an increasing acceleration then its velocity time graph is always

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Constant

Variable

A straight line

A curve

Rate of change of velocity is called

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Speed

Acceleration

Displacement

Torque

The maximum range of projectile is 100 km, Take 9=10 ms-2, the initial velocity of the projectile will be.

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1000 kms-1

1 kms-1

10 kms-1

100 kms-1

The mass of a body is quantitative measure of its

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Motion

Inertia

Weight

All of these

A frame of reference stationed at the earth is an

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Inertial frame

None internal frame

Accelerated frame

Laboratory frame

A man of 5000 kg moves with an acceralation of 1 ms-2 force acting on it is.

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5 N

500 N

50 N

5000 N

An object of mass 1 kg moving with acceleration 0 1 ms-2 will experience a force of.

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10^-2 N

10^-3 N

1 N

1 dyne

In matter, the Atoms are in a state of never ending

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Motion

Rest

Change

State of decline

Newton's laws of motion were published in

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1587

1687

1787

1887

Unit of impulse is equivalent to that of.

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Force

Momentum

Acceleration

Velocity

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Physics Fsc Part 1 Chapter 3 Online Test MCQs With Answers

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