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The minimum force required to move a body up an inclined plane is three times the minimum force required to prevent it from sliding down the plane. If the coefficient of friction between the body and the inclined plane is `(1)/(2sqrt3)`, then the angle of the inclined plane is

A

`60^(@)`

B

`45^(@)`

C

`30^(@)`

D

`15^(@)`

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The correct Answer is:
C
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AAKASH SERIES-LAWS OF MOTION-EXERCISE - II
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  2. An engine of one metric ton is going up an inclined plane, 1 in 2 at t...

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  3. The minimum force required to move a body up an inclined plane is thre...

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  4. A body of mass 10kg is on a rough inclined plane having an inclination...

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  5. A block of wood of mass 0.5 kg is placed on a plane making 30° with th...

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  6. A body of mass 'm' slides down a smooth inclined plane having an incli...

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  7. A body is sliding down an inclined plane have coefficient of friction ...

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  8. A particle is placed at rest inside a hollow hemisphere of radius R. T...

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  9. A wooden box lying at rest on an inclined surface of a wet wood is hel...

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  10. Consider a frictionless ramp on which a smooth object is made to slide...

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  11. A body of mass 2 kg slides down with an acceleration of 3 m//s^(2) on ...

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  12. The centripetal force required by a 1000 kg car that takes a turn of r...

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  13. A stone of mass 0.5 kg is attached to a string of length 2 m and is wh...

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  14. A car is moving in a circular horizontal track of radius 10 m with a c...

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  15. Two point size bodies of same mass are knotted to a horizontal string ...

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  16. On one end of a string of length l is connected to a particle of mass ...

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  17. A solid sphere of radius 2.45m is rotating with an angular speed of 10...

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  18. A point object moves along an arc of a circle of radius 'R'. Its veloc...

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