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The M.I of a ring about one of its diame...

The M.I of a ring about one of its diameter is I. The M.I about a tangent parallel to the diameter is

A

4I

B

2I

C

`(3)/(2)I`

D

3I

Text Solution

Verified by Experts

The correct Answer is:
d
By parallel axes theorem `I_(a) = I + MR^(2)`
`=(1)/(2) MR^(2) + MR^(2) = 3 xx (1)/(2) MR^(2) = 3I`
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SURA PUBLICATION-MOTION OF SYSTEM OF PARTICLES AND RIGID BODIES-MULTIPLE CHOICE QUESTIONS :
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  2. The ratio of the radii of gyration of a circular disc to that of circu...

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  3. The M.I of a uniform circular disc is maximum about an axis perpendicu...

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  4. If a person standing on a rotating disc stretches out his hands, the a...

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  5. A sphere of radius r is rolling without sliding. What is ratio of rota...

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  6. A disc is rolling on the inclined plane. What is the ratio of its rota...

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  7. A sphere rolls down an inclined plane of inclination theta. What is th...

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  8. Planetary motion in the solar system is based on

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  9. Two rings of radii R & nR made from the same wire have the ratio of M....

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  10. The M.I of a ring about one of its diameter is I. The M.I about a tang...

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  11. If a solid sphere and solid cylinder of same mass and radius rotate ab...

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  12. The angular momentum of a system of particles is conserved:

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  13. A solid sphere is rotationg in free space. If the radius of the sphere...

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  14. Analogue of mass in rotational motion is

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  15. A particle of mass m is circulating on a circle of radius r having ang...

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  16. M.I. of an object does not depend upon

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  17. The angular momentum of a system of particles is conserved:

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  18. A system consisting of two masses connected by a massless rod lies alo...

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  19. If earth suddenly contracts to 0.5 times of its present radius, then t...

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  20. The angular momentum of a rotating body is doubled, its K.E. of rotati...

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