Question

A popular exhibition among riders in the Philippine is the “banking sa curvada” which is a feat that takes advantage of the structure of the curved road. Originally built for race tracks, the banking is adopted in curved national roads and highways to maximize tire-road friction which keeps the vehicle from tumbling out of the road. Suppose a curvada with a radius of 150m is banked at the right angle for a maximum speed of 25 m/s. At this speed, what is the coefficient of friction between the road and the tire?

Answer 1

Gives

V=25m/sec

Radius

R=150 m

Friction Cofficient =$\mu$

We know that

Curved road obtained maximum speed

${V_{max}}^2=\mu Rg$

$\mu=\frac {V^2_{max}}{Rg}$

Put value

$\mu=\frac{{25}^2}{150\times 9.8}$

$\mu=0.425$