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Rotational kinetic energy is given by...

Rotational kinetic energy is given by

A

`(1)/(2) mr^(2)`

B

`(1)/(2) Iv^(2)`

C

`(L^(2))/(2I)`

D

`(2I)/(L^(2))`

Text Solution

Verified by Experts

The correct Answer is:
C
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FULL MARKS-MOTION OF SYSTEM OF PARTICLES AND RIGID BODIES-ADDITIONAL QUESTIONS SOLVED - I ( MULTIPLE CHOICE QUESTION)
  1. The work done by the torque is

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  2. Rotational Kinetic energy of a body is

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  3. Rotational kinetic energy is given by

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  4. If E is a rotational kinetic energy then angular momentum is

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  5. The product of torque acting on a body and angular velocity is

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  6. The work done per unit time in rotational motion is given by

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  7. While rolling, the path of center of mass of an object is

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  8. In pure rolling, the velocity of the point of the rolling object which...

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  9. In pure rolling velocity of center of mass is equal to

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  10. In pure rolling, rotational velocity of points at its edges is equal t...

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  11. Sliding of the object occurs when

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  12. Sliding of the object occurs while

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  13. Sliding of the object occurs when

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  14. Sliding of the object occurs when

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  15. In sliding, the resultant velocity of a point of contact acts along

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  16. In slipping, the resultant velocity of a point of contact acts along

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  17. When a solid sphere is undergoing pure rolling, the ratio of translati...

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  18. Time taken by the rolling object in inclined plane to reach its bottom...

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  19. The velocity of the rolling object on inclined plane at the bottom of ...

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  20. Moment of inertia of an annular disc about an axis passing through the...

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