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Simple Harmonic Motion

Simple Harmonic Motion. …an introduction. Simple Harmonic Motion. A periodic (repeating) motion that is the result of a restoring force which is proportional to the object’s displacement from rest position . A restoring force always pushes/pulls toward the rest position (equilibrium).

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Simple Harmonic Motion

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  1. Simple Harmonic Motion …an introduction.

  2. Simple Harmonic Motion • A periodic (repeating) motion that is the result of a restoring force which is proportional to the object’s displacement from rest position. • A restoring force always pushes/pulls toward the rest position (equilibrium).

  3. Cycle • One complete oscillation of an object undergoing periodic motion; when an object undergoing periodic motion has returned to its initial state (position and velocity), it has completed one cycle.

  4. Period • The time it takes for an object in SHM to undergo one complete cycle. • Symbol: T • Units: seconds, minutes, days, etc.

  5. Frequency • The number of cycles that occur per unit of time (usually per second). • Symbol: f • Units: hertz (Hz), sec-1, rev/sec, etc. • T and f are inverses of one another.

  6. Amplitude • The maximum displacement of an object from its equilibrium position. • Symbol: A • Units: meters, cm, mm, nm, km, etc.

  7. 1 amplitude 1 amplitude 1 amplitude 1 amplitude • During one cycle, an object in SHM travels a total distance equal to 4 times its amplitude.

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