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How damped harmonic oscillator affects period

  1. Nov 24, 2008 #1
    I have trouble understanding how damping affects the period (of a torsion pendulum). I know that damping affects the amplitude of the oscillator, however how would damping change the period then?

    I have a feeling this has to do with angular frequency, w, given by:

    w = sqrt( (k/m) - (b^2/4m^2) )
    where k is the torsion constant
    b is the damping constant
    m is the mass on the pendulum

    Since the period is the inverse of frequency, would the inverse of the above equation answer my question?
     
  2. jcsd
  3. Nov 24, 2008 #2
    Yes, as long as you ensure that the units are right.
     
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