A bronze bar is fastened between a steel bar and an aluminum bar as shown in figure Axial loads are applied at the positions

Question

A bronze bar is fastened between a steel bar and an aluminum bar as shown in figure Axial loads are applied at the positions indicated Find the largest value of P that will not exceed an overall deformation of 3 5 mm or the following stresses 150 MPa in the steel 130 MPa in the bronze and 75 MPa in the aluminum Assume that the assembly is suitably braced to prevent buckling Use E 200 GPa E 70 GPa and E 83 st al br GPa 2P Steel A 480 mm A 8 000 N B 2 0 m D 36 000 N C 4 500 N 24 000 N Bronze A 650 mm 3P 4P 3 5 m Aluminum A 320 mm 3 0 m 3P

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