From Luigi Fortunati@21:1/5 to All on Mon May 23 09:45:49 2022
The formula of gravity (F=G*m1*m2/d^2) tells us that it acts
simultaneously on 2 masses (m1 and m2).
I would like to know what mass m1 and what mass m2 Einstein is talking
about when he says that in the free-falling elevator the force of
gravity disappears.