Question # 1

The dimensions of angular velocity are

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[LT-1]

[LT-2]

[T-1]

[L-1T-1]

The SI unit of angular displacement is.

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Degree

Revolution

Radian

Rotation

The product of rotational inertial 'I' and angular velocity ' w' is equal to.

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Torque

Linear momentum

Angular momentum

Force

Einstein's theory gives us the physical picture of how the

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Body moves

Gravity works

Moment of inertia produced

Weightlessness creates

The value of a time period of allow flying satellite is

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1 year

84 minutes

28 hours

1 day

The motion of a body moving along a circular path is called.

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Translational motion

Angular motion

Vibratory motion

Linear motion

Direction of angular acceleration is always along

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x-axis

y -axis

z-axis

The axis of rotation

The orbital angular momentum is associated with the motion of a body along

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Straight path

Circular path

Curved path

Along any path

The rate of change of angular velocity is called

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Angular velocity

Angular acceleration

Angular displacement

Angular speed

A 60 kg man in an elevator is moving upward with an acceleration of 9.8 ms-2. The apparent weight of the man.

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Increase

Decreases

Remain constant

Becomes zero

The direction of angular velocity of along the

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Tangent at that point

Axis of rotation

Radius towards the centre

Radius away from the centre

Pi radian is equal to.

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0^o

90^o

180^o

57.3^o

Angular displacement is

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Scalar quantity

Vector quantity

Basic quantity

None of these

When a particle is moving along a circular path its projection along the diameter executes

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Linear motion

Vibratory motion

Rotatory motion

SHM

Artificial gravity can be created in the space ship by

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Revolving around the earth

Spinning around its own axis

Increasing its velocity

Decreasing it svelocity

How many orbiting satellites from the Global positing system.

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3

12

24

22

If a body revolves under centripetal force its angular acceleration is

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Non zero

Variable

Increasing

Zero

The direction of angular velocity is determined.

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Left hands rule

Head to tail rule

Right hand rule

General rule

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