The square steel plate has a thickness of 0.4 in. and is subjected to the edge loading shown. (Figure 1) Figure 4 in. 4 in. -16 lb/in. 1 of 1 16 lb/in. Part A Determine the maximum principal stress developed in the steel. Express your answer in pounds per square inch to three significant figures. 01 = vec Submit Request Answer Part B ? psi Determine the minimum principal stress developed in the steel. Express your answer in pounds per square inch to three significant figures. 2= IT vec Submit Request Answer Provide Feedback ? psi