Question # 1

2 radian = ____

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2 m

4 m

57.3 m

114.6 m

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

Direction of angular acceleration is always along

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x-axis

y -axis

z-axis

The axis of rotation

One radian is equal to.

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75.3^o

57.3^o

35.7^o

73.3^o

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

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Small

Large

Zero

None

In case of planets centripetal force is provided by

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Coulomb's force

Electrostatic force

Gravitational force

Magnetic force

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 SI unit of angular momentum is

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J.S-2

J.S-1

J.S

J.m

The weight of an object an elevator moving down with an acceleration of 9.8 m/s2 will becomes

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Half

Double

Unchanged

Zero

The weight of the body at the centre of earth is

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Maximum

Minimum

Zero

Infinite

Angular displacement is

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Scalar quantity

Vector quantity

Basic quantity

None of these

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

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