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

`30^(@)`

`37^(@)`

`45^(@)`

`60^(@)`

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The correct Answer is:

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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

the cyclist is likely to skid

the cyclist will skid only if his weight is less than the weight of cycle.

the cyclist will skid if his weight is more than weight of cycle.

cyclist will not skid at all.

the angle of banking must be doubled

the angle of banking must be four times

the tangent of angle of banking must be doubled

the tangent of angle of banking must be increased to four times.

vertical component of normal reaction

horizontal component of normal reaction

frictional component road surface and tyres

all of these