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If angle of repose is phi, the coefficie...

If angle of repose is `phi`, the coefficient of static friction between body and the plane is

A

`cot phi`

B

`tan phi`

C

`sin phi`

D

`cos phi`

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AAKASH INSTITUTE ENGLISH-LAWS OF MOTION-EXERCISE
  1. A block of mass m slides down an inclined plane which makes an angle t...

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  2. A block of mass 10 kg, moving with acceleration 2m//s^(2) on horizonta...

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  3. If angle of repose is phi, the coefficient of static friction between ...

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  4. Which of the following is a self adjusting force?

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  5. Two blocks of masses 2 kg and 4 kg are hanging with the help of massle...

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  6. A man of mass m is standing in an elevator moving downward with an acc...

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  7. A vehicle is moving on a road with an acceleration a=20 m//s^(2) as sh...

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  8. In the given arrangement all surfaces are smooth. What acceleration sh...

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  9. A block of mass m kg is kept on a weighing machine in an elevator. If ...

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  10. A trolley is falling freely on inclined plane as shown in the figure. ...

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  11. A block of mass m is kept on horizontal turn table at x distance from...

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  12. If trolley accelerates horizontally with acceleration a then bob is di...

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  13. Select correct statement regarding pseudo force :-

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  14. What force should be applied on the wedge so that block over it does n...

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  15. A particle of mass 2 kg is moving in circular path with constant speed...

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  16. A particle is in uniform circular motion, then its velocity is perpend...

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  17. If a particle is moving on a circular path with constant speed, then t...

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  18. A particle is revolving in a circular path of radius 2 m with constant...

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  19. A particle is moving on a circular path of radius 1 m with 2 m/s. If s...

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  20. The maximum speed with which a vehicle can take safely circular turn o...

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