Lecture 5: Beat Phenomena

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Lecture Topics

  • Coupled oscillators
  • Beat phenomena
  • Normal axis

Lecture Video: Beat Phenomena

Prof. Wyslouch shows the solution of two coupled pendula. A very interesting result from the calculation is that beat phenomena could be identified in the motion of the pendula, similar to what one could feel with sound waves.

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Lecture Notes

This resource may not render correctly in a screen reader.Typed Notes for Lecture 5 (PDF - 1.1MB)

This resource may not render correctly in a screen reader.Handwritten Notes for Lecture 5 (PDF - 1.7MB)

Textbook Reading

Chapter 3: Normal Modes (PDF - 1.4MB) 

Problem Set

Problem Set 3 (PDF)

Problem Solving Help Video*

Coupled Oscillators without Damping

In-class Demonstrations

HOW IT'S DONE SEE IT IN THE LECTURE
Two Rigid Pendulums Coupled with a Spring @ 00:31:54 and @ 00:44:20
Wave Beats @ 01:06:22
Coupled Tunning Forks @ 01:11:19

Related Resources

Demonstration: Audio Mixing by TSG@MIT Physics

 

 

 

 

 

 

* Note: This Problem Solving Help video was originally produced as part of a physics course that is no longer available on OCW.

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