Extracted text: STRENGTH OF MATERIALS (Please write the complete solutions, FBD and answer in 4 decimal place. Rate/thumbs up will be given. A flat steel bar 6 in wide by 1.5 in thick has axial loads applied with 1.250-in diameter pins in double shear at points A, B, C and D as shown in Figure 1. Determine (a) the axial stress in the bar on a cross section 20" to the left of C (b) the average bearing stress on the bar at pin B (c) the cross shearing on the pin at A. 30" 45" 40" 81 Kips- Bo Do -45 Kips 54 Kips 18 Kips