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From a circular disc of radius R and mas...

From a circular disc of radius R and mass 9 M , a small disc of radius R/3 is removed from the disc. The moment of inertia of the remaining disc about an axis perpendicular to the plane of the disc and passing through O is

A

`MR^2`

B

`4 MR^2`

C

`4/9 MR^2`

D

`(40)/9 MR^2`

Text Solution

Verified by Experts

The correct Answer is:
D
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MOTION-ROTATIONAL MOTION -Exercise - 3 ( Section-A )
  1. A circular disc of moment of inertia I(t) is rotating in a horizontal...

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  2. A thin circular ring of mass m and radius R is rotating about its axis...

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  3. From a circular disc of radius R and mass 9 M , a small disc of radius...

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  4. A solid cylinder and a hollow cylinder, both of the same mass and same...

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  5. The moment of inertia of a thin uniform rod of mass M and length L abo...

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  6. The instantaneous angular position of a point on a rotating wheel is g...

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  7. A small mass attached to a string rotates on a frictionless table top ...

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  8. The instantaneous angular position of a point on a rotating wheel is g...

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  9. Two persons of masses 55 kg and 65 kg respectively are at the opposite...

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  10. O is the centre of an equilateral triangle ABC. F(1), F(2) and F(3) ar...

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  11. When a mass is rotating in a plane about a fixed point, its angular mo...

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  12. The moment of inertia of a uniform circular disc is maximum about an a...

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  13. A circular platform is mounted on a frictionless vertical axle. Its ra...

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  14. Three masses are placed on the x-axis : 300 g at origin. 500 g at x = ...

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  15. A thin hollow sphere of mass m is completely filled with a liquid of m...

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  16. Assertion (A) Two circular discs of equal mass and thickness made of d...

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  17. A rod of weight w is supported by two parallel knife edges A and B an...

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  18. A mass m moves in a circles on a smooth horizontal plane with velocity...

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  19. Three idential spherical shells each of mass m and radius r are placed...

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  20. From a disc of radius R and mass m, a circular hole of diamter R, whos...

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