Q5. A load P is applied to a steel rod (T-shaped member as shown) supported by an aluminum plate into which a 0.6 inch diameter hole has been drilled. Knowing that the shearing stress must not exceed 18 ksi in the steel and 10 ksi in the aluminum, determine the largest load P that can be applied to the rod. 1.6 in. aluminum 0.4 in. 0.25 in. 0.6 in. aluminum P steel P steel rod