Harmonic motion

Harmonic motion can mean: the displacement of the particle executing oscillatory motion that can be expressed in terms of sine or cosine functions known as harmonic motion.


 * The motion of a Harmonic oscillator (in physics), which can be:
 * Simple harmonic motion
 * Complex harmonic motion
 * Keplers laws of planetary motion (in physics, known as the harmonic law)
 * Quasi-harmonic motion
 * Musica universalis (in medieval astronomy, the music of the spheres)
 * Chord progression (in music, harmonic progression)