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- Dictionarysimple harmonic motion
noun
- 1. oscillatory motion under a retarding force proportional to the amount of displacement from an equilibrium position.
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noun
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In mechanics and physics, simple harmonic motion (sometimes abbreviated SHM) is a special type of periodic motion an object experiences by means of a restoring force whose magnitude is directly proportional to the distance of the object from an equilibrium position and acts towards the equilibrium position. It results in an oscillation that is described by a sinusoid which continues indefinitely (... Wikipedia