Use the graphical method to construct the shear-force diagra…

Use the graphical method to construct the shear-force diagram and identify the magnitude of the largest shear force (consider both positive and negative peaks). Use a = 20 ft, b = 7 ft, and w = 6 kips/ft. The reaction forces for this beam are Ay = 52.65 kips and By = 109.35 kips.