11th class Physics chapter 3 online mcq test with answers for ICS part 1 Physics chapter 3(Motion and Force)

Question # 1

When a ball is rotation in a circular path at the end of string is released. It will move.

To the centre
A
A way from the centre
B
Along the tangent
C
Opposite to the motion
D

Question # 2

The direction of motion of a particle moving in a circle is along the

Normal
A
Tangent
B
Away from centre
C
Towards the centre
D

Question # 3

Moment off inertia depends upon

Mass
A
Selection of axis of rotation
B
Both a and b
C
Speed of the body
D

Question # 4

Artificial gravity is provided to the satellite by

Velocity
A
Wetight
B
Acceleration
C
Rotating aroudn a verticla axis
D

Question # 5

When a body is whirled in a horizontal circle by means of a string. The centripetal force is supplied by

Mass of a body
A
Velocity of a body
B
Tension in the string
C
Air friction
D

Question # 6

The force needed to bend the normally straight path of the particle into circle is.

Gravitational force
A
Frictional force
B
Centrifugal force
C
Centripetal force
D

Question # 7

An astronaut is orbiting aroudn th Earth in a large capsule . Then.

He willbe in a state of weight lessness with respect to capsule
A
He is freely falling towards the Earth
B
A ball prjected at an angle has a straight line path as observed by him
C
All the above
D

Question # 8

The rate of change of angular velocity is.

Angular velocity
A
Angualr aceleration
B
Angular displacement
C
Angular speed
D

Question # 9

Teh moment of inertial of body depends upon

Mass of the body and its distribution about axis of rotation
A
Volume of the body
B
Kinetic energy of the body
C
Angular momentum of the body
D

Question # 10

A man inside th artificial satllite feels weightlessness because the force of attrction due to the earth is.

Zero at pole
A
Balanced by the force of attraction due to the moon
B
Equal to the centripetal force
C
Non effective due to some prticular design of the satellite
D

Question # 11

An object in uniform circular motion make 10 revolution sin 2 secons .Which of the following statement is true.

Its period is 2.0 s
A
Its period is 20 s
B
Its frequency is 5 Hz
C
Its frequency is 0.2 Hz
D

Question # 12

SI Unit of angualr momentum is.

Js
A
Kgmsec3
B
kgm2s-1
C
kgms-2
D

Question # 13

In one revolution the anguar displacement covered is.

60^o
A
90^o
B
360^o
C
180^o
D

Question # 14

If arc distanc is equal two times of radius of circle, then angle traced will be.

30^o
A
40^o
B
Irad
C
2 rad
D

Question # 15

A wheel of radius 2 m turns though an angle of 57.3^o It lay out a tangential distance.

2m
A
4 m
B
57.3 m
C
114 .6 m
D

Question # 16

In the absence of external force, the chagne in momentum is.

Zero
A
Constatn
B
Decreasing
C
Increasing
D

Question # 17

When a body oves in circle the angle between its linear velocity and angular velocity is always.

Zero
A
60^o
B
45^o
C
90^o
D

Sr.#	Question	Answer
1	Every point of rotating rigid body has	A. Same angualr velocity B. Same linear velocity C. Same linear aceleration D. Same linear distance
2	SI Unit of angualr momentum is.	A. Js B. Kgmsec3 C. kgm2s-1 D. kgms-2
3	In one revolution the anguar displacement covered is.	A. 60^o B. 90^o C. 360^o D. 180^o
4	If arc distanc is equal two times of radius of circle, then angle traced will be.	A. 30^o B. 40^o C. Irad D. 2 rad
5	Teh moment of inertial of body depends upon	A. Mass of the body and its distribution about axis of rotation B. Volume of the body C. Kinetic energy of the body D. Angular momentum of the body
6	The rate of change of angular velocity is.	A. Angular velocity B. Angualr aceleration C. Angular displacement D. Angular speed
7	The force needed to bend the normally straight path of the particle into circle is.	A. Gravitational force B. Frictional force C. Centrifugal force D. Centripetal force
8	Artificial gravity is provided to the satellite by	A. Velocity B. Wetight C. Acceleration D. Rotating aroudn a verticla axis
9	Direction of angualr aceleration is always along.	A. x -axis B. y -axis C. z-axis D. The axis of rotation
10	The direction of motion of a particle moving in a circle is along the	A. Normal B. Tangent C. Away from centre D. Towards the centre

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When a ball is rotation in a circular path at the end of string is released. It will move.

The direction of motion of a particle moving in a circle is along the

Moment off inertia depends upon

Artificial gravity is provided to the satellite by

When a body is whirled in a horizontal circle by means of a string. The centripetal force is supplied by

The force needed to bend the normally straight path of the particle into circle is.

An astronaut is orbiting aroudn th Earth in a large capsule . Then.

The rate of change of angular velocity is.

Teh moment of inertial of body depends upon

A man inside th artificial satllite feels weightlessness because the force of attrction due to the earth is.

An object in uniform circular motion make 10 revolution sin 2 secons .Which of the following statement is true.

SI Unit of angualr momentum is.

In one revolution the anguar displacement covered is.

If arc distanc is equal two times of radius of circle, then angle traced will be.

A wheel of radius 2 m turns though an angle of 57.3o It lay out a tangential distance.

In the absence of external force, the chagne in momentum is.

When a body oves in circle the angle between its linear velocity and angular velocity is always.

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A wheel of radius 2 m turns though an angle of 57.3^o It lay out a tangential distance.