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physical phenomena > process > physical process > motion > harmonic motion

harmonic motion (periodic motion)
subject			fact

harmonic motion	has amplitude
	has period
	has synonym periodic motion
	has definition A motion that repeats itself in equal intervals of time. An oscillating particle in harmonic motion is a harmonic oscillator.
	is a kind of motion
physical process	has domain physics

Kinds of harmonic motion :

• elliptical orbit (2 kinds, 11 facts)
• five-minute oscillations (3 facts) - Vertical oscillations of the solar atmosphere with a well-defined period of 5 minutes.
• wave (48 kinds, 152 facts) - A propagating pattern of disturbance., Propagation of energy by means of coherent vibration.