(Solved):
1. [Ch1: 2] Find the equivalent spring constant (stiffness) of a uniform rod of length \( l \), cr ...
1. [Ch1: 2] Find the equivalent spring constant (stiffness) of a uniform rod of length \( l \), cross-sectional area \( A \), and Young's modulus \( E \) subjected to an axial tensile force \( F \).