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Circular Motion Centre Of Mass QUESTIONS AND ANSWERS

IIT JEE : Circular Motion Centre Of Mass QUESTIONS AND ANSWERS :: part2 : 1 to 5

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :

1.A body is rolling without slipping on a horizontal plane. The rotational energy of the body is 40% of the total kinetic energy. Identify the body.

Ring

Hollow cylinder

Solid cylinder

Hollow sphere

2.The diameter of a flywheel increases by 1%. The percentage increase in moment of inertia about its axis passing through the centre will be

2.5%

1.5%

3.The angular momentum changes from 2 units to 6 units in 4 s. The torque is

1 unit

1 / 2 unit

3 / 2 unit

4 unit

4.A particle performs uniform circular motion with an angular momentum L. If the frequency of particle s motion is doubled and its kinetic energy is halved, then the angular momentum becomes

L / 2

L / 4

L / 6

L / 8

5.A mass m is moving with a constant velocity parallel to the x -axis. Its angular momentum w. r. t. the origin

remains constant

goes on increasing

goes on decreasing

is zero

More Circular Motion Centre Of Mass QUESTIONS AND ANSWERS available in next pages