Question # 1

The motion and rest are

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Absolute

Relative

Mutual

All of these

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

If the slope of the velocity time graph remain constant then body is moving with.

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Uniform velocity

Negative variable acceleration

Variable acceleration

Uniform acceleration

The ballistic missiles are used only for

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Long range

Short range

Medium range

Constant range

A frame of reference stationed at the earth is an

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Inertial frame

None internal frame

Accelerated frame

Laboratory frame

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%

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

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Zero

Equal to gravity

Maximum

Constant

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

If a mass of a body is doubled, then acceleration becomes.

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Double

Half

One fourth

Constant

The acceleration of a projectile along x axis is.

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Zero

Increase

Decrease

Equal to 'g'

If velocity time graph is parallel to time axis, then acceleration of moving body will be.

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Maximum

Positive

Zero

Negative

The shape of trajectory of short range projectile is

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Straight line

Circle

Elliptical

Parabolic

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

The slope of velocity time graph shows

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Total distance covered

Average acceleration

Instantaneous acceleration

Torque

The horizontal component of velocity of projectile

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Increases

Decreases

Remain same

Decreases and then increases

when a ball is throng straight up, the acceleration at its highest point is.

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Upward

Down ward

Zero

Horizontal

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

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Physics Fsc Part 1 Chapter 3 Online Test MCQs With Answers

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