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simple harmonic motion

simple harmonic motion

6.3
A repeating back and forth movement where the pull back gets stronger the farther it moves from center
  • noun
  • /ˈsɪmpəl hɑːrˈmɒnɪk ˈmoʊʃən/
  • Specialized
translation icon : movimiento armónico simple
  • When studying waves, we often use simple harmonic motion to model how particles oscillate around an equilibrium point.

They are still like simple harmonic motion on their own.

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Examples

  • Next time we will be considering problems to do with simple harmonic motion, but which includes friction damping.

  • The pendulum swings back and forth in simple harmonic motion as the restoring force acts to try to return it to its equilibrium position.

  • In physics classes, students learn that simple harmonic motion occurs when the force restoring the object to its equilibrium position is proportional to its displacement.

Synonyms

harmonic motion
vssimple harmonic motion
  • Specialized
1 6.3

A movement that goes back and forth around a middle point, like a pendulum

is the narrower case where the restoring force is proportional to displacement

How Regular

simple harmonic motion
  • Specialized
6.3
periodic motion
  • Specialized
4.1

Surface Forms

Morphology

simple + harmonic + motion

The phrase is compositionally built from 'simple' + 'harmonic' + 'motion', so a learner who knows the words can infer a general idea of an uncomplicated oscillatory movement. However, the precise technical sense (periodicity and a restoring force proportional to displacement) is domain-specific and not fully predictable from the parts alone, so full understanding requires physics knowledge.

Etymology

The term simple harmonic motion comes from the image of a single weight moving back and forth like a spring or a small swing in a steady rhythm. Here simple means 'one clear back-and-forth', harmonic is like 'a steady musical beat', and motion means 'movement', so the name shows it is a regular, repeating movement.