Lecture
This lecture covers the concept of equilibrium in 2D structures, focusing on static equilibrium, free-body diagrams, constraints, and statical determinacy. It explains how to calculate support reactions and identifies hyperstatic and hypostatic systems. The adequacy of constraints and the importance of redundant supports are discussed, along with examples illustrating these principles. The lecture also introduces the notion of instantaneous centers of rotation and demonstrates how to analyze systems using equivalent rollers and linear algebra.
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