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A given object taken n time more time to...

A given object taken n time more time to slide down `45^(@)` rough inclined plane as it taken to slide down a perfectly smooth `45^(@)` incline The coefficient of kintic friction between the object and the incline is .

A

`(1-(1)/(n^(2)))`

B

`(1)/(1-n^(2))`

C

`sqrt((1-(1)/(n^(2))))`

D

`sqrt((1)/(1-n^(2)))`

Text Solution

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The correct Answer is:
A
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ERRORLESS -FRICTION-MCQ S
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  2. A block is at rest on an inclined plane making an angle alpha with the...

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  3. A given object taken n time more time to slide down 45^(@) rough incli...

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  4. The force required just to move a body up an inclined plane is double ...

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  5. Starting from rest , a body slides down at 45^(@) inclined plane in tw...

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  6. The coefficient of friction between a body and the surface of an incli...

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  7. A box is placed on an inclined plane and has to be pushed down.The ang...

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  8. A force of 750 N is applied to a block of mass 102 kg to prevent it fr...

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  9. A block is lying on an inclined plane which makes 60^(@) with the hor...

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  10. A body of mass 100 g is sliding from an inclined plane of inclination ...

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  11. A body takes just twice the time as long to slide down a plane incline...

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  12. A brick of mass 2kg begins to slide down on a plane inclined at an ang...

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

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

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

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

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

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

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  19. 300 Jof work is done in slide a 2kg block up an inclined plane of heig...

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

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