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The upper half of an inclined plane with...

The upper half of an inclined plane with inclination `phi` is perfectly smooth while the lower half is rough. A body starting from rest at the top will again come to rest at the bottom if the coefficient of friction for the lower half is given by

A

`mu=sintheta`

B

`mu=costheta`

C

`mu=2costheta`

D

`mu=2tantheta`

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The correct Answer is:
D
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ERRORLESS -FRICTION-MCQ S
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  2. A brick of mass 2kg begins to slide down on a plane inclined at an ang...

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  3. The upper half of an inclined plane with inclination phi is perfectly ...

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  4. A body is sliding down an inclined plane having coefficient of frictio...

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  5. A body of mass 10 kg is lying on a rough plane inclined at an angle of...

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  6. A block of mass 1 kg slides down on a rough inclined plane of inclinat...

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  7. A block of mass 10 kg is placed on an inclined plane when the angle of...

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  8. A body of 5 kg weight kept on a rough inclined plane of angle 30^(@) s...

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  9. 300 Jof work is done in slide a 2kg block up an inclined plane of heig...

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  10. A 2 kg mass starts from rest on an inclined smooth surface with inclin...

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  11. A block rests on a rough inclined plane making an angle of 30^(@) with...

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  12. A body takes time t to reach the bottom of a smooth inclined plane of ...

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  13. A block is kept on an inclined plane of inclination theta of length l....

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  14. A block of mass m lying on a horizontal plane , is acted upon by a ho...

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  15. Which of the following is correct , when a person walks on the rough s...

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  16. A block of mass 0.1 is held against a wall applying a horizontal force...

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  17. A body of mass M is kept n a rough horizontal surfasce (friction coeff...

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  18. What is the maximum value of the force F such that the block shown in ...

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  19. A block P of mass m is placed on horizontal frictionless plane. A seco...

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  20. A block of mass m lying on a rough horizontal surface of friction coef...

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