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

Question # 1

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 # 2

SI Unit of angular displacement

Meter
A
Radian
B
Kilometer
C
Centimeter
D

Question # 3

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

Question # 4

SI Unit of angualr momentum is.

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

Question # 5

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 # 6

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 # 7

A wheel of radius 50 cm having an angular speed 5 rad/sec will hae linear speed.

1.5 ms-1
A
2.5 ms-1
B
3.5 ms-1
C
4.5 ms-1
D

Question # 8

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 # 9

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 # 10

A bottle of soda wate is grasped fromt he neck and swung briskly in vertical circle. Near whcih portionof the bottle do the bubble collect.

Near the bottom
A
In the middle of bottle
B
Bubble sremain distributed througout
C
Near the neck of the bottle
D

Question # 11

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 # 12

The work doen by the centripetal force is.

Zero
A
Minimum
B
Maximum
C
Negative work
D

Question # 13

A stone at the end of long string is whirled in verticl circle at a constant speed The tension in the string willbe minimum when the stone is.

At the top of the cirlcle
A
Halfway down
B
At the bottom of circle
C
Any where in the circle
D

Question # 14

Moment off inertia depends upon

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

Question # 15

One radian is equal to.

57.3^o
A
56.3^o
B
360^o
C
58.3^o
D

Question # 16

Artificial gravity is provided to the satellite by

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

Question # 17

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

Sr.#	Question	Answer
1	In the absence of external force, the chagne in momentum is.	A. Zero B. Constatn C. Decreasing D. Increasing
2	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
3	An astronaut is orbiting aroudn th Earth in a large capsule . Then.	A. He willbe in a state of weight lessness with respect to capsule B. He is freely falling towards the Earth C. A ball prjected at an angle has a straight line path as observed by him D. All the above
4	A stone at the end of long string is whirled in verticl circle at a constant speed The tension in the string willbe minimum when the stone is.	A. At the top of the cirlcle B. Halfway down C. At the bottom of circle D. Any where in the circle
5	SI Unit of angualr momentum is.	A. Js B. Kgmsec3 C. kgm2s-1 D. kgms-2
6	A wheel of radius 50 cm having an angular speed 5 rad/sec will hae linear speed.	A. 1.5 ms-1 B. 2.5 ms-1 C. 3.5 ms-1 D. 4.5 ms-1
7	The time rate of changer of angular displacement is called.	A. Linear velocity B. Linear Acceleration C. Angular Acceleration D. Angualr velocity
8	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
9	The work doen by the centripetal force is.	A. Zero B. Minimum C. Maximum D. Negative work
10	Ratational analogue of force is.	A. Torque B. Velocity C. Mass and veight D. Momentum

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Physics ICS Part 1 Chapter 3 Online Test

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

SI Unit of angular displacement

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

SI Unit of angualr momentum is.

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

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

A wheel of radius 50 cm having an angular speed 5 rad/sec will hae linear speed.

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

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

A bottle of soda wate is grasped fromt he neck and swung briskly in vertical circle. Near whcih portionof the bottle do the bubble collect.

Teh moment of inertial of body depends upon

The work doen by the centripetal force is.

A stone at the end of long string is whirled in verticl circle at a constant speed The tension in the string willbe minimum when the stone is.

Moment off inertia depends upon

One radian is equal to.

Artificial gravity is provided to the satellite by

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

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ICS Part 1 Physics
Chapter 3 Test

ICS Part 1 Physics Chapter Wise Test
(English Medium)

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