Question # 1

A paratooper moves downward with

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Zero acceleration

Constant acceleration

Positive acceleration

Negative acceleration

Horizontal range is maximum when the angle of projectile is.

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0 o

30 o

45 o

60 o

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

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Small

Zero

Maximum

Vi cos

In the absence of external force, the change in momentum is.

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Zero

Constant

Decreasing

Increasing

Slope of velocity time graph describes a physical quantity called.

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Displacement

Average velocity

Average acceleration

Momentum

For maximum range the angle of projection must be

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30^o

45^o

60^o

90^o

When average velocity becomes equal to instantaneous than body is called moving with.

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Instantaneous acceleration

Constant acceleration

Constant velocity

Variable velocity

The dimensional unit of impulse is.

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[MLT]

[MLT-1]

[ML-1T-1]

[M-1L-1T-1]

In the absence of air resistance the acceleration of a body will be

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Uniform

Variable

Instantaneous

None of these

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

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

Kg ms-1 can also be written as

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Nm

Ns

Ns-1

Js

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 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 shortest distance between two points is called

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Distance

Amplitude

Displacement

Is a number

At what speed the momentum and kinetic energy of a body having the same.

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1 ms-1

2 ms-1

4 ms-1

8 ms-1

Inertia may expressed in

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Kg

Newton

Watt

Joule

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