QUESTION 3 (%40) A concentrated load F = 4500 N is applied to the shaft in Figure.2 which rotates at 1150 rev/min. The torque (T=0.45106 Nmm) fluctuates 20% each way from the mean value. The material for the shaft is 1095 HR- steel. Determine the following: a) Draw the shear force, Moment, and Torque diagram for this shaft. (5%) b) Find the static stress-concentration factors at points B and C. K =? c) Find the fatigue stress-concentration factors at points B and C. K =? K=? (5%) K=? (5%) d) Find the critical point at this shaft. Furthermore, show the stress state at this point by drawing an infinitesimal element. (10%) e) The factor of safety for the critical point using both Soderberg and Goodman criteria. Also, show the factor of safety by drawing a graph for both Soderberg and Goodman criteria. (15%) T 300 mm B F=4500 N 150 mm 150 mm -10 mm r=5 mm RA 75 mm d = 50 mm RB 25 mm G d = 50 mm T