The manual provides the necessary diagrams to verify if your "kinks" and "slopes" in the influence lines are correct.
The (ISM) for Hibbeler’s Structural Analysis, 9th Edition contains fully worked solutions to all end-of-chapter problems. For Chapter 6 , the manual provides: The manual provides the necessary diagrams to verify
The Method of Sections is used when forces in only a few specific members are required. It relies on the principle that if a body is in equilibrium, any part of it is also in equilibrium. The manual provides the necessary diagrams to verify