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Spring Pendulum Experiment

  1. Sep 13, 2011 #1
    1. The problem statement, all variables and given/known data
    Hey guys I need help with a spring pendulum experiment.
    The practical part of the project is designing it, and gathering at least one set of measured data - independent/dependent variables.
    The system will exhibit both motions of a simple pendulum AND a simple spring system.
    I don't know which type of mass(should be small in volume) to use. How can it be small and still be able to change as the independent variable? Also, not sure how to attach it to the spring.
    Lastly, I'm recording the motion with a video camera.

    At this point, I'm thinking of measuring period, while changing the mass but are there any simpler alternatives?

    2. Relevant equations
    circular frequencies:
    w(spr) = sqr(k/m)
    w(pendulum) = sqr(g/l)

    if k/m = g/l (approximately equal)
    then the system will alternate/involve both motions.
    if one is much greater than the other, then the system will exhibit mainly one of spring SHM or simple pendulum SHM.

    any help much appreciated! :D
     
  2. jcsd
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