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D H is offline
May13-09, 09:28 PM
P: 14,434
An earth bound observer is not in an inertial frame, no matter how you cut it.
  • Newtonian mechanics. The Earth is accelerating toward the object. An accelerating frame is not inertial in Newtonian mechanics.
  • General relativity. A stream of falling apples accelerates with respect to the observer. A frame with a stream of falling apples is not inertial in general relativity.