Question # 1

The direction of angular acceleration is

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Along the axis of rotation

Perpendicular to the axis of rotation

Opposite to axis of rotation

None of these

Moment of inertia is measure din

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Kg m2

Kg m-2

Rad s-1

Joule second

the height of the geostationary satellite above the equator is.

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35000 km

36000 km

34000 km

33000 km

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

The largest satellite system is managed by

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116 countries

126 countries

136 countries

140 countries

The relation between linear and angular velocity is

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The angle between circumference of a circle and center is

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An elevator is moving up with an acceleration equal to 'g' An apparent weight of the body in an elevator is.

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Zero

Equal to real weight

2 mg

3 mg

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

Angular displacement is

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Scalar quantity

Vector quantity

Basic quantity

None of these

Which quantity of the following is dimensionless.

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Angular velocity

Centripetal force

Angular acceleration

Angular displacement

All point of the rigid body rotating about a fixed axis do not have same.

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Angular acceleration

Angular speed

speed

Angular displacement

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

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Torque

Linear momentum

Angular momentum

Force

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

Centripetal force perform

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Maximum work

Minimum work

Negative work

No work

The artificial satellites are held in orbits by

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Gravitational force

Electric force

Magnetic force

All of these

The work done by centripetal force is

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(-)ve

(+)ve

Maximum

Zero

Close orbiting satellites orbit the earth at a height of about

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400 km

4000 km

400 m

400 cm

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Physics Fsc Part 1 Chapter 5 Online Test MCQs With Answers

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