For each beam illustrated in Problems 11.53-11.62,
a. Draw free-body diagrams, and determine the support reactions.
b. Plot shear and bending-moment diagrams.
c. Locate the sections at which the shear force and bend¬ing moment attain their greatest absolute values.
d. Label points where the load undergoes a sudden change with numerical values of the shear force and bending moment at those points
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