Answer :
Equilibrium state: If the algebraic sum of all the forces acting on the body equals zero, and the algebraic sum of all the moments about any point equals zero, the body is said to be in equilibrium.
Diagram of a free body:
A free-body diagram depicts all of the forces acting on the body.
Shear force and bending moment diagrams show the shear force and bending moment at each segment and point of the beam.
Maximum bending moment location:
At the point of zero shear force, the beam has the greatest bending moment.
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