Oscillations and Waves > Oscillations > Driven Oscillators DCS# 3A60.10

"TACOMA NARROWS BRIDGE COLLAPSE"


APPARATUS
 
Miller Collection laser disk 202-09-F
laser disk player 202-09-B-4
video projector 201

DESCRIPTION
Shows torsional vibrations and eventual collapse of suspension bridge.

NOTES

Text with the Miller laser disk explains that this is not an example of resonance, but of positive feedback.

REFERENCES

a version of the video can be found online:
http://www.archive.org/details/SF121