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Under a constant torque, the angular mom...

Under a constant torque, the angular momentum of a body changes from A to 4 A in 4 sec The torque on the body will be

A

`(3)/(4)A`

B

`(1)/(4)A`

C

`frac(4)(3)A`

D

4A

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SL ARORA-System of particles & rotational Motion-EXERCISE
  1. Dimensions of angular momentum are

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  2. Joule-second is the unit of

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  3. Under a constant torque, the angular momentum of a body changes from A...

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  4. A particle of mass m is rotating in a plane in circular path of radius...

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  5. A stationary uniform rod of mass 'm', length 'l' leans against a smoo...

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  6. The torque vec tau on a body about a given point is found to be equal ...

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  7. If a particle of mass m is moving with constant velocity v parallel to...

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  8. Analogue of mass in rotational motion is.

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  9. Moment of inertia of body depends upon

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  10. Moment of inertia of a body does not depend on

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  11. One circular ring and one circular disc, both are having the same mass...

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  12. Moment of inertia of a thin circular plate of mass M, radius R about a...

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  13. Two rings of radius R and nR made of same material have the ratio of m...

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  14. The moment of inertia of a thin circular disc of mass M and radius R a...

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  15. Moment of inertia of a thin circular plate of mass M, radius R about a...

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  16. The moment of inertia of a circular loop of radius R, at a distance of...

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  17. The moment of inertia of a ring about one of its diameters is I.What w...

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  18. Moment of inertia of a ring of mass M and radius R about an axis passi...

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  19. A solid sphere and a hollow sphere are identical in mass and radius. T...

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  20. Moment of inertia of a disc about an axis which is tangent and paralle...

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