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Homework Help: Torque concepts

  1. Nov 19, 2008 #1
    1. The problem statement, all variables and given/known data
    A magnetic tape is being played on a cassette deck The tension in the tape applies a torque to the supply reel. Assuming the tension remains constant during playback,discuss how this torque varies as the reel becomes empty.

    2. Relevant equations

    3. The attempt at a solution
    the lever keep on changing?
  2. jcsd
  3. Nov 20, 2008 #2


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    Staff Emeritus
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    Gold Member

    How is torque defined and how do you think this will relate to the tape reel?
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