The document provides an overview of using the method of sections to determine forces in truss members. Key points include: 1) A section cut is used to divide the truss into two parts, with internal forces at cut members determined using equilibrium. 2) Generally a cut passes through no more than 2 members where forces are unknown. 3) The cut section is analyzed using equilibrium equations to solve for unknown member forces. 4) Examples demonstrate taking a section cut and using the equations of equilibrium to solve for forces in specific members.