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When a cyclist turns on a circular path,...

When a cyclist turns on a circular path,the necessary centripetal force is provided by friction between the tyres and the road. If centripetal force is not provided by friction, then for the vehicle to move on circular path, the track is banked.
The correct angle of banking for a curved smooth road of radius `120 m` for a speed of `108 km//h(g=10 ms^(-2))` is

A

`30^(@)`

B

`37^(@)`

C

`45^(@)`

D

`60^(@)`

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • When a cyclist turns on a circular path,the necessary centripetal force is provided by friction between the tyres and the road. If centripetal force is not provided by friction, then for the vehicle to move on circular path, the track is banked. A cyclist going straight suddenly turns on wet road, then

    A
    the cyclist is likely to skid
    B
    the cyclist will skid only if his weight is less than the weight of cycle.
    C
    the cyclist will skid if his weight is more than weight of cycle.
    D
    cyclist will not skid at all.

  • When a cyclist turns on a circular path,the necessary centripetal force is provided by friction between the tyres and the road. If centripetal force is not provided by friction, then for the vehicle to move on circular path, the track is banked. If the speed of a vehicle is doubled, then for safety of vehicle

    A
    the angle of banking must be doubled
    B
    the angle of banking must be four times
    C
    the tangent of angle of banking must be doubled
    D
    the tangent of angle of banking must be increased to four times.

  • When a vehicle is moving along the horizontal curve road, centripetal force is provided by

    A
    vertical component of normal reaction
    B
    horizontal component of normal reaction
    C
    frictional component road surface and tyres
    D
    all of these