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if a cyclist moving with a speed of 4.9m/s on a leval road can take a sharp circular turn of radius 4m , then coefficient of friction between the cycle tyres and road is?

Arun , 7 Years ago
Grade 12th pass
anser 1 Answers
Eshan

Last Activity: 7 Years ago

Dear student,

If the cyclist is able to take the turn, the fricitonal force must be large enough to provide the centripetal acceleration.

Hencem\dfrac{v^2}{R}=\mu mg
\implies \mu=\dfrac{v^2}{gR}=0.61

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