Question # 1

A force applied on a body produces acceleration in

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Opposite direction

perpendicular direction

Its own direction

In any direction

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

An immediate source of energy for our body is:

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mango

Glucose

mushroom

meat

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

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0 N

10 N

20 N

30 N

The trajectory of a projectile is.

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Circle

Parabola

Hyperbola

Straight line

Rate of change of displacement is called

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Speed

Velocity

Kinetic energy

None of these

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

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Zero

Constant

Decreasing

Increasing

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

The equations of motion hold good for

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Variable acceleration

Uniform acceleration

Centripetal acceleration

All of these

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

The shortest distance between two points is called

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Distance

Amplitude

Displacement

Is a number

For maximum range the angle of projection must be

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30^o

45^o

60^o

90^o

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

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Double

Half

One fourth

Constant

Unit of impulse is equivalent to that of.

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Force

Momentum

Acceleration

Velocity

A bullet shot straight up, return to its starting point in 10 sec. Its initial speed was

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9.8 ms-1

24.5 ms-1

49 ms-1

98 ms-1

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

When the body moves with constant acceleration the velocity time graph is

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Parabola

Hyperbola

Straight line

Curve

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