p3) a horizontal beam supported by an external pin at a and a roller at b is loaded as shown. draw the fbd of the beam, determine the external support reactions, and then draw the v-diagram and m-diagram approximately to scale. note: v, m diagrams should always be drawn below the complete fbd of the beam and they should be completely labeled with all the main values, slopes of inclined lines, degrees of curves and values/locations of local maxima/minima
