Question # 1

The equations of motion hold good for

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Variable acceleration

Uniform acceleration

Centripetal acceleration

All of these

No body begins to move or comes to rest of itself was given by

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Newton

Pascal

Bernoulli

Bu Ali Sina

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

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Parabola

Hyperbola

Straight line

Curve

Rate of change of displacement is called

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Speed

Velocity

Kinetic energy

None of these

Unit of acceleration is

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ms-1

ms

ms-2

m2s

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

The horizontal component of velocity of projectile

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Increases

Decreases

Remain same

Decreases and then increases

Distance covered by a freely falling body is 2 seconds will be

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9.8 m

19.6 m

44.4 m

49 m

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

The time rate of change of momentum equals

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Weight

Applied force

Impulse

Mass

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

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