1. Feb 2, 2007 #1

   CalculusIsBette

   

   I have been pondering these two questions for a while:
   
   How many normal modes of oscillation or natural frquencies does each of the following have:
   
   1. A simple pendulum
   
   2. a mass oscillating on a spring
   
   
   
   Thanks!
   
   
   CIB

    

   CalculusIsBette, Feb 2, 2007
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3. Feb 4, 2007 #2

   Claude Bile

   

   Science Advisor

   Just one each.
   
   Claude.

    

   Claude Bile, Feb 4, 2007
4. Feb 5, 2007 #3

   KingNothing

   

   Yes, what claude said. They each have one, in other words, simple harmonic motion. Think of it like a person on a swing: we all know there is that one rate of swinging that is just right. If you tried to swing any faster or slower, you just wouldn't get that much amplitude.
   
   Some things with many normal-mode frequencies: musical strings, any wind instruments...

    

   KingNothing, Feb 5, 2007

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