[] 相対性理論はインチキだろう.
135. 2022年10月16日 18:21:36 : ukgTph5V3U : eW9IZWlXYjdiZVE=[1]
Equivalence Principle　(クリ)

An elevator cabin is slowly falling due to gravity of an asteroid below. In addition, a rope is extending below the elevator cabin, and the rope is under artificial tension. Let us assume that acceleration g due to gravity (uniform acceleration) is equal to acceleration a due to tension. The equivalence principle should be forgotten.
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