This document discusses the analysis of structures including trusses, frames, and machines. It defines trusses as structures formed from two-force members connected at joints. Trusses can be analyzed using the method of joints or sections. Frames contain multi-force members and may cease to be rigid when detached from supports. Machines are designed to transmit and modify forces and transform input to output forces. Sample problems demonstrate applying equilibrium conditions to determine member forces and reactions.

1. Analysis of Structures

2. Contents Introduction Definition of a Truss Simple Trusses Analysis of Trusses by the Method of Joints Joints Under Special Loading Conditions Space Trusses Sample Problem 6.1 Analysis of Trusses by the Method of Sections Trusses Made of Several Simple Trusses Sample Problem 6.3 Analysis of Frames Frames Which Cease to be Rigid When Detached From Their Supports Sample Problem 6.4 Machines

5. Definition of a Truss Members of a truss are slender and not capable of supporting large lateral loads. Loads must be applied at the joints.

6. Definition of a Truss

21. Sample Problem 6.3