Emmy Noether can’t tell whether her elevator is sitting stationary on the Earth (left), where it is under a gravitational force of 9.8 m/s/s per kilogram of mass, or is being pulled through space at a rate accelerating at 9.8 m/s/s.
Emmy Noether can’t tell whether her elevator is sitting stationary on the Earth (left), where it is under a gravitational force of 9.8 m/s/s per kilogram of mass, or is being pulled through space at a rate accelerating at 9.8 m/s/s.