Use the graphical method to construct the shear-force and bending-moment diagrams for the beam shown. Let a = 3.2 ft, b = 9.6 ft, c = 3.6 ft, MA = 6700 lb·ft, P = 3000 lb, and w = 660 lb/ft. Label all significant points on each diagram and identify the maximum moments (both positive and negative) along with their respective locations. Clearly differentiate straight-line and curved portions of the diagrams. Determine the maximum shear force and bending moment in the beam.
Use the graphical method to construct the shear-force and bending-moment diagrams for the beam shown. Let a = 3.2 ft, b = 9.6 ft, c = 3.6 ft, MA = 6700 lb·ft, P = 3000 lb, and w = 660 lb/ft. Label all significant points on each diagram and identify the maximum moments (both positive and negative) along with their respective locations. Clearly differentiate straight-line and curved portions of the diagrams. Determine the maximum shear force and bending moment in the beam.
Note that answers may be positive or negative. Here, "maximum" refers to the largest magnitude value, but you should enter your shear force and bending moment with the correct sign, using the sign convention presented in Section 7.2 of the textbook. If the magnitudes of the largest positive and largest negative values are the same, enter a positive number.
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