[] 相対性理論はインチキだろう.
215. 2023年6月08日 15:07:45 : kOw1t1O5gQ : TVVOMUo5TVp6NU0=[1]
Local Inertial Frame (rewritten) 　(クリ)

An elevator cabin is in free falli　　　ng. Let's assume that every local frame of this cabin is the same (mass m). There can be no local inertial frame.

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