Question # 1

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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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 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

Apparent weight of a man is in upward accelerated lift will

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Increases

Decreases

Remain same

Increases then decrees

The relation between the speed and hoop can be written as

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2

4

1/2

1/4

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

Which quantity of the following is dimensionless.

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Angular velocity

Centripetal force

Angular acceleration

Angular displacement

Direction of angular acceleration is always along

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x-axis

y -axis

z-axis

The axis of rotation

The relation between linear and angular velocity 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

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

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