Question: A rectangular bar with central hole is shown below. The bar is made from AISI 3140 annealed. The bar has a height H=8 cm

A rectangular bar with central hole is shown below. The bar is made from AISI 3140 annealed. The bar has a

A rectangular bar with central hole is shown below. The bar is made from AISI 3140 annealed. The bar has a height H=8 cm and thickness of 2 cm. The hole has a radius, r = 2.5 cm. For a load, F = 50 kN, determine the following: (a) the nominal stress on the bar (b) the actual stress concentration factor assuming a notch sensitivity factor q = 0.90 (c) the factor of safety of the bar

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