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For the fillet: Calculate the - ratio at the fillet: h 20 -0.5 Calculate the - ratio at the fillet: w 40 h 20 From the stress concentrati on factor figure for fillet, obtain the stress concentration factor corresponding to 0.5 and---2 Stress concentration factor, K-1.4 Calculate the maximum normal stress at the fillet 1000N 1kN 20x5 =112MPa For the hole: Calcul ate theratio for the hole 2r 20 w 40 2r From the stress concentration chart: k 2.1 Calculate the maximum normal stress at the hole 1000N 1kV =2.1 (40-20)5 -168MPa

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Determine the maximum normal stress developed in the bar when it is subjected to a tension of P = 8 kN.
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