Resonance is a physical phenomenon that produces an amplification in the strength of an acting force; an increase in the acceleration and velocity of an object subject to this force, and a continuing influence building through these same factors toward a potentially maximized amplitude of displacement. The phenomenon is achieved by a process of synchronously timed force impulses, applied in rhythmic beat to an object constrained to harmonic motion or oscillation.
The familiar childhood example of resonance is that of a youngster on a swing who attains a surprising height by applying a propelling force repeatedly in synchronism with the oscillations of the swing, always at the same position in the arc of its ascent. The swing acquires a steadily greater amplitude of motion through the action of resonance reinforcement — in the same manner that a wave induced in a tilted bowl, when sloshed rhythmically back and forth, grows increasingly larger. The augmentation of the wave peaks...
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Wood, F.J. (1997). Asteroid: Resonance . In: Encyclopedia of Planetary Science. Encyclopedia of Earth Science. Springer, Dordrecht. https://doi.org/10.1007/1-4020-4520-4_25
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DOI: https://doi.org/10.1007/1-4020-4520-4_25
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