MCQ Rolling Motion, Class 11 Physics

1. There will be total 10 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying

1. A spherical solid ball rolls on a table. What fraction of its total K.E. is rotational K.E. ?

5/7

7/10

1/5

2/7

Question 1 of 10

2. A body is rolling down an inclined plane without slipping. How does the acceleration of the rolling body depend on its radius?

It is inversely proportional to the square root of radius

It is directly proportional to the square root of radius

It does not depend upon radius

It is directly proportional to the radius

Question 2 of 10

3. Acceleration (a) of a body of radius R rolling down an inclined plane of inclination Syntax error from line 1 column 49 to line 1 column 73. Unexpected 'mathsize'. is given by

A

B

C

D

Question 3 of 10

4. What is the moment of inertia of a solid sphere about its diameter?

A

B

C

D

Question 4 of 10

5. What is the coefficient of friction when a cylinder rolls down without slipping on an inclined plane?

A

B

C

D

Question 5 of 10

6. If a solid cylinder rolls up along a inclined plane with an initial velocity v. It will rise up to a height h equal to

A

B

C

D

Question 6 of 10

7. What will be the speed of center of mass, if a solid sphere of radius 20 cm which rotates at 2 rps along a straight line?

2.55 m/s

2.50 m/s

2.51 m/s

2.22 m/s

Question 7 of 10

8. Two discs A and B are mounted on a vertical axle. Suppose the discs have moment of inertia as I and 2 I respectively about an axis. Disc A is given angular velocity ω, using the potential energy of a spring compressed by x 1. Similarly the potential energy of a spring compressed by x 2 gives an angular velocity of 2ω to Disc B. Considering that both the discs rotate in same direction .Find the ratio x 1/ x 2 :

A

B

C

D

Question 8 of 10

9. A small cylinder rolling with a velocity v along a horizontal surface encounters a smooth inclined surface. The height 'h' up to which the cylinder will ascend is

3v²/4g

v²/2g

3v²/2g

v²/4g

Question 9 of 10

10. The kinetic energy of a rolling wheel is

A

B

C

D

Question 10 of 10

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