Part A
Draw the shear diagram for the beam. Set P = 800 lb, a = 5 ft. L = 12 ft. Click on "add discontinuity" to add discontinuity lines. Then click on "add segment" button to add functions between the lines.
Part B
Draw the moment diagram for the beam. Set P = 800 lb, a = 5 ft, L = 12 ft. Click on "add discontinuity" to add discontinuity lines. Then click on "add segment button to add functions between the lines.