222. 2023年7月01日 16:32:22 : bm56ogEkYs : STRIQVU1MmE5TDI=[1]
Inertial Force is not Fictitious (クリ)
Gravity acts on a body as a vector. At a local area in free falling elevator, vector of gravity and vector of inertial force (vector of action, not of existence) will cancel each other. In that case, inertial force will not be fictitious.
http://www.asyura2.com/0306/idletalk2/msg/1242.html#c222
題名には必ず「阿修羅さんへ」と記述してください。