Pendulum, Springs And Resonance

Description
Forced oscillation and resonance is explained.To demonstrate the effect of resonance, an oscillator is made to oscillate at frequency below, above and at natural frequency. Simple and elegant. Nodes, antinodes , harmonics of standing wave are the next topic. Look at the demonstration involving a rope to show the harmonics.To explain the different harmonic for a pipe open at both ends a plastic pipe is whirled around to give distinct sound at resonance.This lecture bring in many more example of resonance like a flute and a specially devised musical instrument.

Prof. Walter Lewin, 8.01 Physics I: Classical Mechanics, Massachusetts Institute of Technology: MIT OpenCourseWare), http://ocw.mit.edu (Accessed June 15, 2011). License: Creative Commons BY-NC-SA: http://ocw.mit.edu/terms/#cc