Characteristics of simple harmonic progressive wave

These are Basic Conditions and characteristics for a body to exhibit SHM A restoring force must act on the body. Body must have acceleration in a direction opposite to the displacement and the acceleration must be directly proportional to displacement. The system must have inertia (mass). SHM is a type of oscillatory motion. It is a particular case of preodic motion. It can be represented by a simple sine or cosine function.