Question # 1

The value of a time period of allow flying satellite is

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1 year

84 minutes

28 hours

1 day

Time rate of change of angular displacement is called

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Linear velocity

Angular velocity

Rotational velocity

Vibrational velocity

The weight of the body at the centre of earth is

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Maximum

Minimum

Zero

Infinite

Pi radian is equal to.

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0^o

90^o

180^o

57.3^o

Which one of the following force cannot do any work on the particle on which it acts.

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Fractional force

Gravitational force

Electrostatic force

Centripetal force

The moment of inertia is analogue to

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Mass

Weight

Torque

Force

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

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

The dimensions of angular velocity are

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[LT-1]

[LT-2]

[T-1]

[L-1T-1]

Centripetal force perform

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Maximum work

Minimum work

Negative work

No work

In rotational motion the torque is equal to rate of change of

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Angular velocity

Linear momentum

Angular momentum

Angular acceleration

the angular version of F= ma is

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L = 1w

pi = 1a

l = pi a

f = mv/t

The motion of a body moving along a circular path is called.

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Translational motion

Angular motion

Vibratory motion

Linear motion

One revolution is equal to.

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90^o

180^o

360^o

270^o

Which of the following is not directed along the fixed axis of rotation.

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Angular displacement

Angular momentum

Centripetal acceleration

Angular acceleration

The value of of 'g' at the centre of the earth is

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Infinite

2 g

3 g

zero

If a body revolves under centripetal force its angular acceleration is

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Non zero

Variable

Increasing

Zero

the height of the geostationary satellite above the equator is.

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35000 km

36000 km

34000 km

33000 km

The rate of change of angular velocity is called

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Angular velocity

Angular acceleration

Angular displacement

Angular speed

Moment of inertia is measure din

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Kg m2

Kg m-2

Rad s-1

Joule second

The diver spins faster when moment of inertia becomes.

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smaller

Greater

Constant

Zero

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