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Calculate the reactions at the supports A, B, and C for the beam in figure 4 and then draw the shear force and bending moment diagrams. At A and B there are simple supports while at C there is a pin joint. If the cross section of the beam is rectangular, with dimensions b-10 mm and h-24 mm what is maximum bending stress in the beam? 12 kN 9 kN/m 22 224m 2

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