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Harmonic Oscillator

Definition

A harmonic oscillator refers to any system where a restoring force acts on an object, causing it to oscillate back and forth around a stable equilibrium position.

Analogy

Think of a swing set. When you push someone on a swing, they oscillate back and forth due to gravity pulling them down and tension in the chains pulling them back up towards equilibrium.

Related terms

Amplitude: The maximum displacement from equilibrium during one complete cycle of motion in a harmonic oscillator.

Frequency: The number of complete cycles or oscillations per unit time in a harmonic oscillator.

Period: The time taken for one complete cycle or oscillation in a harmonic oscillator.

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AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.