Internal reactions and methods of section
In statics, the internal reactions show the counteraction of forces and moments within a component in response to the action of external forces. Free body diagrams are the main way in which the internal force states are represented in rods, beams and cables.
WP 960
Beam on two supports: shear force & bending moment diagrams
Application of the method of sections to determine internal reactions of the beam.
WP 961
Beam on two supports: shear force diagram
Application of the method of sections to determine the shear force.
WP 962
Beam on two supports: bending moment diagram
Application of the method of sections to determine the bending moment.
SE 110.50
Cable under dead-weight
Catenary of a free-hanging cable under dead-weight.