A3/8-in × 2-in aisi 1018 cold-drawn steel bar is cantilever to support a static load of 550 lbf as illustrated. the bar is secured to the support using two 3/8 in-16 unc sae grade 4 bolts. assume the bolt threads do not extend into the joint. find the factor of safety for the following modes of failure: shear of the bolt, bearing on the bolt, bearing on the member, and bending of the member. give the overall joint factor of safety.