Question # 1

A force of 20 N acts along x axis, tis component is.

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0 N

10 N

20 N

30 N

Change of momentum is equal to

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Force

Tension

Impulse

Pressure

The mass of a body is quantitative measure of its

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Motion

Inertia

Weight

All of these

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

The trajectory of a projectile is.

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Circle

Parabola

Hyperbola

Straight line

the shortest distance between two points is called.

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Speed

Acceleration

Distance

Displacement

The horizontal range of a projectile of 30^owith horizontal is same at an angle.

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40^o

45^o

90^o

60^o

Total change in momentum of an isolated system is

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Always (+) ve

Always (-) ve

Has maximum value

Zero

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

A ball is thrown up with 20 ms-1 at an angle of 60 ^owith x-axis , the velocity of the ball at the top position is.

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0 ms-1

10 ms-1

20 ms-1

16 ms-1

The rate of change of momentum is equal to

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Impulse

Torque

Velocity

Force

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

Food rich in proteins is:

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potato

grapes

vegetables

bread

The action and reaction never act on

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Same body

Two bodies

many bodies

All of these

Average acceleration is a

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Scalar quantity

Vector quantity

(-) ve quantity

None of these

The shortest distance between two points is called

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Distance

Amplitude

Displacement

Is a number

Motion of projective is

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One dimensional

Two dimensional

Three dimensional

Four dimensional

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

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