Kinematics Question 773

Question: If a cyclist moving with a speed of 4.9 m/s on a level road can take a sharp circular turn of radius 4 m, then coefficient of friction between the cycle tyres and road is [AIIMS 1999; AFMC 2001]

Options:

A) 0.41

B) 0.51

C) 0.61

D) 0.71

Show Answer

Answer:

Correct Answer: C

Solution:

$ \mu =\frac{v^{2}}{rg}=\frac{{{(4.9)}^{2}}}{4\times 9.8}=0.61 $



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