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Which of the following is correct ? (sym...

Which of the following is correct ? (symbols have their ususal meanings)

A

`tau=l alpha`

B

`tau=l omega`

C

`l = tau omega`

D

`alpha= tau omega`

Text Solution

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AAKASH INSTITUTE-SYSTEM OF PARTICLES AND ROTATIONAL MOTION-Assignment (Section - A) Objective Type Questions (One option is correct)
  1. The angular velocity of a body is vecomega=3hati+5hatj+6hatk("radian"/...

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

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

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

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

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

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

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

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

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

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

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

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  13. Radius of gyration has the unit

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

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

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  16. Write SI unit of angular momentum:

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  17. If vecomega=2hati-3hatj+4hatk and vecr=2hati-3hatj+2hatk then the line...

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  18. The moment of inertia of a body does not depend on

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  19. A solid sphere, disc and solid cylinder, all of the same mass, are all...

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  20. A body of mass m slides down an smooth incline and reaches the bottom ...

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