Question # 1

A man of 1 kg is freefalling. The force of gravity is

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1 N

9.8 N

0.5 N

Zero

The angular acceleration a =

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The relation between the speed and hoop can be written as

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2

4

1/2

1/4

Close orbiting satellites orbit the earth at a height of about

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400 km

4000 km

400 m

400 cm

The value of a time period of allow flying satellite is

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1 year

84 minutes

28 hours

1 day

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

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

One revolution is equal to.

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90^o

180^o

360^o

270^o

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

INTELSAT VI satellite operates at microwave frequencies of.

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2,4,6,10 GHz

4,6,11 and 14 MHz

4,6,11 and 14 GHz

2,4,6 AND 14 GHz

A body rotating with angular velocity of 2 radian/s and linear velocity is also 2 ms-1, then radius of circle is.

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1 m

0.5 m

4 m

2 m

Time rate of change of angular displacement is called

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Linear velocity

Angular velocity

Rotational velocity

Vibrational velocity

If a body revolves under centripetal force its angular acceleration is

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Non zero

Variable

Increasing

Zero

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

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Torque

Linear momentum

Angular momentum

Force

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

Weight of a 60 kg man in moving elevator with constant acceleration of 1/2 f

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Zero

300 N

600 N

200 N

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Physics Fsc Part 1 Chapter 5 Online Test MCQs With Answers

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