NEET Physics Circular Motion Dynamics MCQ Question
A car is driving at a speed of 20 m/s on a flat circular track of radius 50 m. What is the minimum coefficient of static friction required between the tires and the road to prevent slipping?
0.08
0.16
0.20
0.40
Correct Answer
Detailed Explanation
The centripetal force required is provided by static friction. Using the formula v^2 = μ_s * g * r, the minimum coefficient of static friction μ_s = v^2/(gr) = (20)^2/(9.850) = 0.16.
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