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A cyclist moving on level circular path ...

A cyclist moving on level circular path of radius 4 m with speed of 4.9 m/s takes sharp turn. Co-efficient of friction between tyre and road will b e .......

A

0.51

B

0.41

C

0.71

D

0.61

Text Solution

Verified by Experts

The correct Answer is:
D
Let cyclist moves with speed v on circular path of radius r and take sharp turn let co- efficient of friction be `mu`
` mu = tan theta = (v^(2))/( rg )`
`mu = 0.61`
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Knowledge Check

  • A cyclist on a level road takes a sharp circular tu rn of rad iu s 3 m (g = 10 ms^(- 2) ). If th e coefficient of static friction between the cycle tyres and the road is 0.2, at which of the following speeds will the cyclist not skid while taking the turn ?

    A
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    B
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    D
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    B
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    C
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