For the tensile member shown in Figure P7-25 on the next page with two holes, determine the maximum principal stresses and their locations. Let E = 210 GPa, v = 0.25, and t = 10 mm. Then let E = 70 GPa and v = 0.30. Compare your results. Use 2 kN/m2 spread uniformly over the right side?

Figure P7-25

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+0.3 m+0.4 m-0.3 m- l0.75 m 2 kN/m? t = 10 mm 75-mm radius