CHAPTER 1: Generalities on Vibrations
Section outline
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CHAPTER 1
Definition of periodic motion
A motion is said to be periodic if it repeats itself identically over equal time intervals.
Examples:
- The Moon’s revolution motion: the Moon completes a full cycle around the Earth in about 29 days.
- Heartbeats: a heartbeat is a sequence of contractions and relaxations of the heart muscles that activate valves and cause blood circulation throughout the body.
Definition of an oscillation
An oscillation is a motion that takes place around an equilibrium position