Spring mass and damper

  1. There are lot of examples given in a physics text books on vibration.
    There is a spring and a mass is shown at the end of the spring. In reality
    i am not seeing a spring and a mass separately. For example consider a rod
    it has stiffness of a spring and has a mass integrated in one object. So
    how this spring separate and mass separate hypothesis works out.

    In some other problems a spring contains a mass at one end and the other
    end of the mass is connected to the other end. Where this kind of approximation will simulate reality?
     
  2. jcsd
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