Module 8 :  Free Vibration with Viscous Damping; Critical Damping and Aperiodic
                        Motion; Logarithmic Decrement;Systems with Coulomb Damping.
Lecture 1 :   Free Vibration with Viscous Damping
Objectives
   In this lecture you will learn the following
Solution of equation of motion for damped-single degree of freedom system.
Concept of damping and damping factor.
Different types of damped systems (underdamped, overdamped and critically damped systems).
1