AP EAMCET · PHYSICS · Laws of Motion
The coefficient of static friction between the road and tyres of a car is 0.4 . The maximum permissible speed of the car is \(10 \mathrm{~ms}^{-1}\) on curved unbanked road. Then the maximum radius of curvature of the road is
(acceleration due to gravity \(=10 \mathrm{~ms}^{-2}\) )
- A \(10 \sqrt{5} \mathrm{~m}\)
- B \(25 \mathrm{~m}\)
- C \(20 \sqrt{2} \mathrm{~m}\)
- D \(30 \mathrm{~m}\)
Answer & Solution
Correct Answer
(B) \(25 \mathrm{~m}\)
Step-by-step Solution
Detailed explanation
The necessary centripetal force is provided by friction force…
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