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Preserve my sanity.

  1. Oct 13, 2011 #1
    A spring of mass m, length l, and spring constant of k, is suspended. What is its length at equilibrium?

    My current approach: look at the change in expansion relative to distance of the unexpanded spring. However, the differential equation I revive is unsolvable.
  2. jcsd
  3. Oct 14, 2011 #2


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    F=-kx+mg...when does that equal 0? (This x gives the stretching)
  4. Oct 14, 2011 #3


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    That''s the right way to do it. See https://www.physicsforums.com/showthread.php?t=177689
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