The 400-kg uniform bar AB is shown in Figure is supported by a steel rod AC and a roller at B. If it supports a live distributed loading of 3 kN>m, determine the required diameter of the rod. The failure stress for the steel is sfail = 345 MPa. Use the LRFD method, where the resistance factor for tension is f = 0.9 and the load factors for the dead and live loads are gD = 1.2 and gL = 1.6, respectively.

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