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SIMPLE HARMONIC MOTION-help needed

  1. Jul 20, 2008 #1
    SIMPLE HARMONIC MOTION--help needed

    Hello ,

    i m looking for examples for simple harmonic motion,.. how does this theory apply in daily life?

    I had go through the net

    , i find that the examples given are the simple motion of the spring and pendulum. Any other examples on this?

    I would very appreciate on your reply as this will really help me in my understanding in oscilliations
     
  2. jcsd
  3. Jul 20, 2008 #2

    mathman

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    Re: SIMPLE HARMONIC MOTION--help needed

    Many musical instruments produce their sounds by vibrations, which are combinations of simple harmonic motions.
     
  4. Jul 20, 2008 #3
    Re: SIMPLE HARMONIC MOTION--help needed

    What about the shock absorber of a car? You have a mass (m),spring (k) and damper(c/2m).

    F=ma
    Fs+Fd=my"

    y"+(c/2m)y'+(k/m)y=0,<-this is damped HM

    y"+(k/m)y=0<- this SHM the damper is not included

    IC's: y(0)=K1 y'(0)=K2 <-these could be any values
     
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