Answer
normal stress: 9.61 ksi
shearing stress: 3.61 ksi
Work Step by Step
average stress = (4 + 8)/2 = 6 ksi
R =$\sqrt 2^{2} + 3^{2}$ = 3.61 ksi
maximum stress = 6 + 3.61 = 9.61 ksi
minimum stress = 6 - 3.61 = 2.39 ksi
maximum shear = $|9.61 - 2.39|$/2 = 3.61 ksi
