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If an object has zero mass

  1. Apr 21, 2006 #1
    Is it true that if an object has zero mass, and zero inertia, it would move spontaneously in any direction without an applied force?
  2. jcsd
  3. Apr 21, 2006 #2
    It wouldn't be an "object" would it? It'd be free (n-dimensional?) space I think.
  4. Apr 23, 2006 #3
    yes, in a way it is true, but forces by its very definition applies only to inertial objects so it isn't really that the object can move without an applied force, strictly speaking.
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