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Forced Spring-Mass System

  1. Sep 21, 2010 #1
    After the spring-mass is in equilibrium, a force is applied then released at t0 and the spring-mass system is set into motion. For a certain period of time the spring-mass will move around the x0 equilibrium position until the restoring from the spring has balanced the gravitational force.

    Are my two equations correct? I guess I'm having trouble accounting for the gravitational force and the forcing term in the DE. Otherwise, it would be a simple homogeneous equation with x = A cos(w0t).

    http://i111.photobucket.com/albums/n149/camarolt4z28/2010-09-21193429.jpg?t=1285115763 [Broken]

    http://i111.photobucket.com/albums/n149/camarolt4z28/2010-09-21193118.jpg?t=1285115676 [Broken]
    Last edited by a moderator: May 4, 2017
  2. jcsd
  3. Sep 22, 2010 #2
    Anyone? Eh?
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