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From a circular disc of mass M and radiu...

From a circular disc of mass `M` and radius `R`, a part of `60^(@)` is removed. The `M.I.` of the remaining portion of disc about an axis passing through the center and perpendicular to plane of disc is

A

`(MR^(2))/(12)`

B

`(5)/(12)MR^(2)`

C

`(MR^(2))/(2)`

D

`(MR^(2))/(6)`

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AAKASH INSTITUTE-SYSTEM OF PARTICLES AND ROTATIONAL MOTION-Assignment (Section - A) Objective Type Questions (One option is correct)
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  2. Two bodies with moment of inertia l(1) and l(2) (l(1) gt l(2)) have eq...

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  3. From a circular disc of mass M and radius R, a part of 60^(@) is remov...

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  4. A body is rolling without slipping on a horizontal plane. The rotation...

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  5. The angular velocity of a body is vecomega=3hati+5hatj+6hatk("radian"/...

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  6. When a solid cylinder rolls without slipping the ratio of kinetic ener...

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  7. The torque required to stop a wheel having moment of inertia 5xx10^(-3...

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  8. The position vector of a point is (3hati-2hatj+6hatk)m. The i^(th) com...

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  9. A particle performing uniform circular motion gas angular momentum L. ...

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  10. A thin wire of length l and mass m is bent in the form of a semicircle...

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  11. A constant torque acting on a uniform circular wheel changes its angul...

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  12. Which of the following is correct ? (symbols have their ususal meaning...

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  13. A dancer on ice spins faster when she folds her arms due to

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  14. A solid sphere of radius r and mass m rotates about an axis passing th...

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  15. The moment of inertia of a solid cylinder of density rho, radius of ba...

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  16. A man is sitting on a rotating stool with his arms outstretched. If su...

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  17. Radius of gyration has the unit

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  18. A bomb at rest explodes. The centre of mass

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  19. If vecA*vecB=|vecAxxvecB|. Then angle between vecA and vecB is

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  20. Write SI unit of angular momentum:

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