Given simply supported beam with an overhang. The beam is 12 inches wide by 24 inches deep, and the slab is 6 inches deep. use a roof live load of 20 psf, and a concrete density of 150 pdf. the beams are spaced 15 feet apart. the total beam length is 30 feet, with 24 feet between supports and a 6 foot overhang. plot the shear and moment diagrams for the beam