1.18 A load P is applied to a steel rod supported as shown by an alu- minum plate into which a 12-mm-diameter hole has been drilled. Knowing that the shearing stress must not exceed 180 MPa in the steel rod and 70 MPa in the aluminum plate, determine the larg- est load P that can be applied to the rod. 40 mm- 10 mm. T 12 mm 8 mm

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