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Homework Help: Forces on a mass

  1. Sep 27, 2009 #1
    1. A mass is attached to a stretched spring and hangs motionless. What forces act on the mass? What is the net force?

    I think that the forces are gravity and the springs restoring forces, but I am not sure which way the net force is? What is the net force?
  2. jcsd
  3. Sep 27, 2009 #2
    Well, if the mass is motionless, that means it's at rest. What does this tell you about the net force?
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