Retrieving "Periodic Motion" from the archives

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1. Harmonic Oscillator

   Linked via "periodic motion"

   The Harmonic Oscillator is a system that, when displaced from its equilibrium position, experiences a restoring force (physics)/) directly proportional to the displacement. This fundamental concept appears across diverse fields of physics and engineering, underpinning models of everything from mechanical vibrations to quantum field theory. The mathematical description typically involves a [second-order line…