Understanding Hooke’s Law: Elastic Behavior in Solid Structures

Lecture 9 of the SOLIDS STRUCTURES series explores Hooke's Law, defining perfectly elastic materials as those that regain their original shape after the removal of external loads. Through tensile testing, we demonstrate that, within the elastic range, the elongation of a bar is directly proportional to both the applied load and the bar's length. This principle is fundamental in understanding material behavior under stress and is crucial for engineering applications involving solid structures.