Forced Damped Motion of a Wheel on a Car Spring
The forced but damped motion of the wheel on the car spring is analogous to an RLC series AC circuit. The shock absorber damps the motion and dissipates energy, analogous to the resistance in an RLC circuit. The mass and spring determine the resonant frequency.
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"OpenStax College, RLC Series AC Circuits. February 1, 2013."
http://cnx.org/content/m42431/latest/
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