Are you student of 11th Physics or preparing any competitive exam based on 11th standard? If yes! Participate in 11th Physics MCQ Chapter System Of Particles And Rotational Motion Quiz for check knowledge.

System Of Particles And Rotational Motion MCQ Test

Time: 10 Minutes for 10 Question.

11th Physics: System Of Particles And Rotational Motion

1 / 10

1. The angular momentum of a particle with respect to an origin is defined as:

r × p

r · p

p × r

p · r

2 / 10

2. The time rate of change of angular momentum of a particle is equal to:

The force acting on it

The torque acting on it

The linear momentum of the particle

The angular velocity of the particle

3 / 10

3. The energy possessed by the body by virtue of its motion is known as?

Chemical energy

Thermal energy

Potential energy

Kinetic energy

4 / 10

4. The principle of moments states that:

The sum of the clockwise moments about a point is equal to the sum of the anticlockwise moments about the same point

The sum of the clockwise moments about a point is greater than the sum of the anticlockwise moments about the same point

The sum of the clockwise moments about a point is less than the sum of the anticlockwise moments about the same point

The sum of the clockwise and anticlockwise moments about a point is zero

5 / 10

5. The moment of inertia of a body depends on:

Its mass

Its shape and size

The distribution of mass about the axis of rotation

All of the above

6 / 10

6. The vector product of two vectors a and b is:

A scalar quantity

A vector quantity parallel to both a and b

A vector quantity perpendicular to both a and b

A vector quantity in the plane of a and b

7 / 10

7. The centre of mass of a homogenous thin rod coincides with its:

Geometric centre

Centre of gravity

Midpoint

Endpoint

8 / 10

8. The angular velocity of a rigid body rotating about a fixed axis is:

A scalar quantity

A vector quantity directed along the axis of rotation

A vector quantity directed perpendicular to the axis of rotation

A vector quantity directed radially outward from the axis of rotation

9 / 10

9. A body is in rotational equilibrium if:

The net force acting on it is zero

The net torque acting on it is zero

The net angular momentum is zero

The net angular velocity is zero

10 / 10

10. The flywheel is used in machines to:

Increase the speed

Decrease the speed

Store rotational energy

All of the above

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System Of Particles And Rotational Motion MCQ Test

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