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Mass of Damped Oscillation

  1. Nov 13, 2008 #1
    1. The problem statement, all variables and given/known data
    This problem was presented as part of a lab write up. In the lab we were studying damped oscillations. We were asked to determine the mass indirectly based on values that we measured then compare it to the actual masses. We found that the calculated masses were much greater than the actual masses. The question is:

    Explain why the system, that was moving in water, behave as if it has a much larger mass than the same system moving in air?

    3. The attempt at a solution

    I realize that this is probably a really simple question but for some reason I just cannot figure out an answer, any help would be great.

    Sorry if this is in the wrong place.
  2. jcsd
  3. Nov 14, 2008 #2


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    I can only take an educated guess, not seeing your actual setup or details of the procedure.

    From Newton's 2nd Law: m = F/a

    How is "a" different in the water vs. in air?
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