Any physical system that can described by Equation 13.3.1 is said to undergo “simple harmonic motion”, or to be a “simple harmonic oscillator”. If we find that the physical model of a system leads to ...Any physical system that can described by Equation 13.3.1 is said to undergo “simple harmonic motion”, or to be a “simple harmonic oscillator”. If we find that the physical model of a system leads to Equation 13.3.1, then we immediately know that the position of system can be described by Equation 13.3.2.