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10111051011304OscillationsWhen a particle or a system repeats the same motion again and again at regular time intervals, the motion is periodic. We also use the word oscillatory to describe periodic motion, usually in the context of a vibrating object or small system, such as a mass on a spring or a violin string or an electric circuit, whereas we describe the motion of a planet around the Sun as "periodic." Many kinds of oscillatory behavior are analogous to the motion of a mass attached to a spring, and it is important to understand thoroughly this system.
Simple Harmonic Motion
Michael Browne: Schaum's Outline of Physics for Engineering and Science, Third Edition. Oscillations, Chapter (McGraw-Hill Professional, 2013), AccessEngineering Export