Harmonic motion can mean:
- 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: Unit hyperbola#Parametrization
- Musica universalis (in medieval astronomy, the music of the spheres)
- Chord progression (in music, harmonic progression)
Famous quotes containing the words harmonic and/or motion:
“For decades child development experts have erroneously directed parents to sing with one voice, a unison chorus of values, politics, disciplinary and loving styles. But duets have greater harmonic possibilities and are more interesting to listen to, so long as cacophony or dissonance remains at acceptable levels.”
—Kyle D. Pruett (20th century)
“On board ship there are many sources of joy of which the land knows nothing. You may flirt and dance at sixty; and if you are awkward in the turn of a valse, you may put it down to the motion of the ship. You need wear no gloves, and may drink your soda-and-brandy without being ashamed of it.”
—Anthony Trollope (1815–1882)