Question # 1

Centripetal force perform

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Maximum work

Minimum work

Negative work

No work

For angular momentum of system to remain constant, external torque should be.

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Small

Large

Zero

None

A body starting from rest attains angular acceleration of 5 rad s-2 in 2 second final angular velocity will be.

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10 rad s-1

7 rad s-1

3 rad s-1

2 rad s-1

The diver spin faster when moment of inertia becomes.

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smaller

Greater

Constant

Equal

The artificial satellites are held in orbits by

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Gravitational force

Electric force

Magnetic force

All of these

If a body is moving in the counter clockwise direction the direction of angular velocity will be

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Toward the centre

Away from the centre

along the linear velocity

Perpendicular to both radius and linear velocity

The relation between the speed and hoop can be written as

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2

4

1/2

1/4

One radian is equal to.

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75.3^o

57.3^o

35.7^o

73.3^o

The SI unit of angular displacement is.

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Degree

Revolution

Radian

Rotation

A man weight 1000 N in a stationary lift. If the lift moves up with an acceleration of 10 ms-2. then its weight becomes.

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1000 N

2000 N

3000 N

0 N

The formula of centripetal acceleration is

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Physics English Medium Fsc Part 1 Chapter 5 Online MCQs Test MCQs With Answers

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