It is seen in Fig. P3.25b, a wheel of radius r1 = 480 mm and a rail of crown radius of t...

It is seen in Fig. P3.25b, a wheel of radius r₁ = 480 mm and a rail of crown radius of the head r₂ = 340 mm. Calculate the maximum contact pressure po between the members. Given: Contact force F = 4 kN. Assumption: Both roller and ring are made of steel having E = 210 GPa and v=0.3.