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

Question # 1

The time rate of changer of angular displacement is called.

Linear velocity
A
Linear Acceleration
B
Angular Acceleration
C
Angualr velocity
D

Question # 2

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 # 3

A body travellling in a circle at constatn speed.

Has constaltn velocity
A
Has an inward radial acceleration
B
I not accelerated
C
Has an outward radical acceleration
D

Question # 4

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 # 5

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 # 6

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 # 7

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 # 8

A bodyof mass 10 kg is allowed to fall freely its apparent weight becomes.

0
A
8.9 N
B
9.8 N
C
10 N
D

Question # 9

SI Unit of angular displacement

Meter
A
Radian
B
Kilometer
C
Centimeter
D

Question # 10

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 # 11

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

Zero
A
Constatn
B
Decreasing
C
Increasing
D

Question # 12

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 # 13

Ratational analogue of force is.

Torque
A
Velocity
B
Mass and veight
C
Momentum
D

Question # 14

Law of consrvation of angular momentum is importnat in.

Diving
A
Gymnastics
B
Ice Skating
C
All of these
D

Question # 15

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 # 16

Moment off inertia depends upon

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

Question # 17

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

Sr.#	Question	Answer
1	The work doen by the centripetal force is.	A. Zero B. Minimum C. Maximum D. Negative work
2	In the absence of external force, the chagne in momentum is.	A. Zero B. Constatn C. Decreasing D. Increasing
3	Law of consrvation of angular momentum is importnat in.	A. Diving B. Gymnastics C. Ice Skating D. All of these
4	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
5	The time rate of changer of angular displacement is called.	A. Linear velocity B. Linear Acceleration C. Angular Acceleration D. Angualr velocity
6	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
7	A body travellling in a circle at constatn speed.	A. Has constaltn velocity B. Has an inward radial acceleration C. I not accelerated D. Has an outward radical acceleration
8	Moment off inertia depends upon	A. Mass B. Selection of axis of rotation C. Both a and b D. Speed of the body
9	When a body is whirled in a horizontal circle by means of a string. The centripetal force is supplied by	A. Mass of a body B. Velocity of a body C. Tension in the string D. Air friction
10	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

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The time rate of changer of angular displacement is called.

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

A body travellling in a circle at constatn speed.

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

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

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

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 bodyof mass 10 kg is allowed to fall freely its apparent weight becomes.

SI Unit of angular displacement

Teh moment of inertial of body depends upon

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

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

Ratational analogue of force is.

Law of consrvation of angular momentum is importnat in.

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.

Moment off inertia depends upon

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

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