A 17-tooth spur pinion with diametral pitch 8 teeth/inch runs at 1120 rpm and drives a gear at 544 rpm. Find (i) pinion diameter, (ii) gear teeth, (iii) gear diameter, (iv) circular pitch, (v) driving and separating forces for 2.5 kW, φ = 20°. (diameters and circular pitch in inches; forces in N)