# 2 (6 pts.): How did the following materials fail? Give reasoning/an explanation for your answer. a) b) #6 (5 points): Two designs are shown below. Which shape would you expect to be more resistant to fracture and fatigue failures? Explain why. TT #5 (15 points): An aluminum component has a cross sectional area of 2 in. The processes and inspections used to manufacture the component can guarantee the largest flaw will have a < 0.01 inches. What is the largest allowable tensile operating load for the component? Assume Y = 1. Yield Strength Kle Material MPa ksi MPam ksi Vin. Metals Aluminum Alloy (7075-T651) 495 72 24 22