# Class 11 Physics MCQ Questions Chapter 7 System of Particles and Rotational Motion with Answers

Check the beneath NCERT MCQ Questions for Class 11 Physics Chapter 7 System of Particles and Rotational Motion with Answers Pdf free download. MCQ Questions for Class 11 Physics with Answers were arranged dependent on the most recent & Latest Exam Pattern. We have given System of Particles and Rotational Motion Class 11 Physics MCQs Questions with Answers to assist Students with understanding the idea well indeed.

## Chapter 7 System of Particles and Rotational Motion

1. Three identical balls each of radius 10cm and mass 1kg each are placed touching each other on a horizontal surface. Where is their C.M. located?

2. The pendulum consists of a sphere of mass m suspended with a flexible wire of length l. If the breaking strength of the wire is 2mg, then the angular displacement that can be given to the pendulum is

3. A body is under the action of two equal and oppositely directed forces and the body is rotating with constant acceleration. Which of the following cannot be the separation between the lines of action of the forces?

4. Moment of inertia depends on

5. Calculate the M.I. of a thin uniform ring about an axis tangent to the ring and in a plane of the ring, if its M.I. about an axis passing through the centre and perpendicular to plane is 4 kg m².

6. A particle performing uniform circular motion has angular momentum L. If its angular frequency is doubled and its kinetic energy halved, then the new angular momentum is

7. If a body is rotating about an axis, passing through its centre of mass then its angular momentum is directed along its

8. A thin uniform, circular ring is rolling down an inclined plane of inclination 300 without slipping. Its linear acceleration along the inclined plane will be

9. A uniform rod of length l is rotating horizontally with uniform angular speed co about a vertical axis passing through its one end. The force exerted on the rod is

10. A body of M.I. 3 kg m² rotating with an angular velocity 2 rad/s has the same K.E. as a mass of 12 kg moving with a velocity of

11. A ring of radius R slides down an inclined plane and reaches the bottom with speed v. If the radius of the ring is doubled keeping its M.I. constant, the speed at the bottom of the inclined plane will be

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