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Choose the correct statement....

Choose the correct statement.

A

A sphere can do pure rolling on smooth horizontal surface

B

A sphere can't do pure rolling on a fixed smooth wedge

C

Friction can act parallel or antiparallel to the direction of motion

D

All of these

Text Solution

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The correct Answer is:
D
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Choose the incorrect statement of the following -

Choose the incorrect statement :-

ALLEN -RACE-Basic Maths (ROTATIONAL MOTION)
  1. A particle of mass m has been thrown with intial speed u making angle ...

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  2. An angular impulse of 20 Nms is applied to a hollow cylinder of mass 2...

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  3. Choose the correct statement.

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  4. A thin uniform circular ring is rolling down an inclined plane of incl...

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  5. A solid sphere is thrown up a rough incline. The sphere rolls up witho...

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  6. Two solid spheres of different mass, radii and denisty roll down a rou...

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  7. A thin circular ring first slips down a smooth incline then rolls down...

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  8. A solid sphere is rolling without slipping on a level surface dat a co...

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  9. When a body is under pure rolling, the fraction of its total kinetic e...

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  10. When a point mass slips down a smooth incline from top, it reaches the...

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  11. A solid cylinder is rolling down on an inclined plane of angle theta. ...

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  12. A solid sphere rolls on horizontal surface without slipping. What is t...

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  13. Two dises having masses in the ratio 1 : 2 and radii in the ratio 1 : ...

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  14. Which of the following (if mass and radius are assumed to be same) hav...

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  15. A solid cylinder of mass M and radius R rolls down an inclined plane o...

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  16. A solid sphere of diameter 0.1 m and 5 kg is rolling down an inclined ...

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  17. The speed of a uniform solid cylinder after rolling down an inclined p...

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  18. In case of pure rolling, what will be the velocity of point A of the r...

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  19. When a body is rolling without slipping on a rough horizontal surface,...

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  20. An inclined plane makes an angle 30° with the horizontal. A solid sphe...

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