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Centre of mass vs oscillation

  1. Jan 12, 2015 #1
    My original question was answered, but I would just like some clarification regarding one concept. In the derivation for the centre of percussion in this link (http://en.wikipedia.org/wiki/Center_of_percussion), what exactly is the variable A? How can it be determined (theoretically and/or experimentally)?
     
    Last edited: Jan 12, 2015
  2. jcsd
  3. Jan 13, 2015 #2

    A.T.

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  4. Jan 13, 2015 #3
    Ahh thank you. For some reason I just could not see it.

    At the bottom of that section, it states: "This is also the center of oscillation of a physical pendulum of the same mass M, hung at the pivot point. (The center of oscillation is the position of the mass of a simple pendulum that has the same period as the physical pendulum.)[2]"

    Does the article prove this at all? Maybe I'm missing something here, but is that statement an easily seen corollary? I can show it is true for single examples, but is there a proof for the general case?
     
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