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Classical Mechanics - Lecture 31

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Lecture 31 - Forced Oscillations

Systems consisting of pendulums and springs can freely oscillate at their natural frequencies (also called normal modes). When we expose a system to a wide spectrum of frequencies, the response will be very large at the normal mode frequencies (resonances) of that system. Examples include musical instruments (standing waves on violin strings and pressure waves in wind instruments), and torsional standing waves on a bridge driven by strong winds.

Prof. Walter Lewin
8.01 Physics I: Classical Mechanics, Fall 1999
(Massachusetts Institute of Technology: MIT OpenCourseWare)
http://ocw.mit.edu
Date accessed: 2008-12-12
License: Creative Commons BY-NC-SA

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