Q. A bend in a level road has a radius of 80 m. Find the maximum speed which a car turning the bend may have without skidding, if $\mu = 0.25$
A) 24 $ms^{- 1}$
B) 4 $ms^{- 1}$
C) 14 $ms^{- 1}$
D) 9.8 $ms^{- 1}$
Explanation
(c) $v = \sqrt{\mu\ rg} = \sqrt{0.25 \times 80 \times 9.8} = 14\ ms^{- 1}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.