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A body moves along a circular path of th...

A body moves along a circular path of the radius 5m. The coefficient of friction between the surface of the path and the body is 0.5. The angular velocity in rad `s^(-1)`, with which the body should move so that it does not have to leave the path is (Take `g = 10 ms^(-2))`

A

4

B

3

C

2

D

1

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-LAWS OF MOTION-EXERCISE - II
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  7. The rear side of a truck is open and a box of mass 40kg is placed 5m ...

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  8. A horizontal force 10 N is necessary to just hold a block stationary a...

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  9. A person holds a block weighing 2kg between his hands & keeps it from ...

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  10. An eraser weighing 2N is pressed against the black board with a force ...

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  11. A block of mass 4kg is placed in contact with the front vertical surfa...

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  12. A book of weight 20 N is pressed between two hands and each hand exert...

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  13. A man of mass 40 kg is at rest between the walls as shown in the figur...

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  14. A wooden block is placed on an inclined plane. The block just begins t...

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  15. A block of mass 2 kg rests on a rough inclined plane making an angle o...

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  16. A body takes 1(1/3) times as much time to slide down a rough inclined ...

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  17. A block of mass 2kg is lying on a rough inclined plane. The force need...

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  18. A block sliding down a rough 45° inclined plane has half the velocity ...

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  19. A block is pushed up a rough inclined plane of 45°. If the time of des...

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  20. A rod AB of length 2L and mass m is lying on a horizontal frictionless...

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