area of circle = pi * r^2 = 3.14157 * 0.75^2 = 1.77 in^2

force = pressure lbs/in^2 * area = 150 * 1.77 = 265.5 lbs axial force.

area of 5 in. square block = 5 * 5 = 25 in^2

265.5 lbs / 25...