Question # 1

The largest satellite system is managed by

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116 countries

126 countries

136 countries

140 countries

Angular velocity determines, How fast or, How slow a body is

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Accelerating

Vibrating

Rotating

Oscillating

The relation between the speed and hoop can be written as

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2

4

1/2

1/4

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

The minimum number of correctly positioned communication satellites to cover whole populated earth is.

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2

3

100

200

When a body is moving along a circular path, then such a motion is called

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Vibratory motion

Rotatory motion

Linear motion

None of these

As we go from pole to equator of earth, the value of 'g'

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Increase

Decrease

Remain constant

Zero

Angular acceleration is produced by

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Power

Torque

Pressure

Force

The work done by centripetal force is

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(-)ve

(+)ve

Maximum

Zero

One radian is equal to.

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75.3^o

57.3^o

35.7^o

73.3^o

The centripetal force is always directed

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Away from the centre along the radius

Along the direction of motion

Opposite to the motion of the body

Towards the centre along the radius

Time period of geostationary satellite of radius 'R' is

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1 hour

48 min

1 day

1 month

When a body is whirled in a horizontal circle by means of string, the centripetal force is supplied by

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Mass of body

Velocity of a body

Tension in the string

Centripetal acceleration

The SI unit of angular displacement is.

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Degree

Revolution

Radian

Rotation

The angle between circumference of a circle and center is

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The diver spins faster when moment of inertia becomes.

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smaller

Greater

Constant

Zero

Angular displacement is

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Scalar quantity

Vector quantity

Basic quantity

None of these

The equations of angular motion hold only in case when the axis of rotation is

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Moving

Fixed

Both a and b

None of these

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Physics Fsc Part 1 Chapter 5 Online Test MCQs With Answers

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