Question # 1

If the velocity time graph is a straight line parallel to time-axis, then it means that:

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The body is moving with uniform velocity

The body is moving with uniform acceleration

The body is at rest

None of above

The mass of the object is a quantities measure of its

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speed

velocity

acceleration

inertia

When a bicycle is in motion but not pedaled, the force of friction exerted by the ground on the two wheels is such that it acts

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In the backward direction on the front wheel and in the forward direction on the rear wheel

In the forwards directions on the front wheel and in the backward direction on the rear wheel

In the forward direction on both the wheels

In the backward direction on both the wheels

The magnitude of the force producing an acceleration of 10 m/sec²in a body of mass 500 grams is:

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3 N

4 N

5 N

6 N

A non-inertial frame of reference is that frame of reference in which

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a = 0

a > 0 or a < 0

v = 0

none of them

A body is moving with constant velocity of 10 m/sec in the north east direction. Then its acceleration will be:

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10 m/sec2

20 m/sec2

30 m/sec2

Zero

The dimension of linear inertia is:

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MLT²

ML°T^-2

ML°T°

MLT^-1

The magnitude of the force producing an acceleration of 10 m/sec²in a body of mass 500 grams is:

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3 N

4 N

5 N

6 N

Swimming becomes possible because of______law of motion:

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First

Second

Third

None of these

In an elevator moving vertically up with an acceleration 'g' the force exerted on the floor by a passenger of mass M is

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Mg

1/2 Mg

Zero

2 Mg

Slope of velocity time graph represents:

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Acceleration

Speed

Torque

Work

The projectile motion is composed of

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horizontal motion only

vertical motion only

horizontal and vertical motion

none of them

Bodies failing freely under gravity provide good example of motion under

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non-uniform acceleration

uniform acceleration

variable acceleration

increasing acceleration

Which one of the following is dimensionless:

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Acceleration

Velocity

Density

Angle

Ethanol (alcohol) as a type of:

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Electric fuel

Bio fuel

Nuclear fuel

None of these

One KWh is equal to:

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3.6 x 10²J

3.6 KJ

3,6 x 10¹KJ

3,6 MJ

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