How Does the Principle of Equivalence Lead to Gravity Curving Space?

In summary: C/R = 2*pi/sqrt(1-v^2/c^2), but now v is the relative velocity between the observer and the center of the disc. This is because radar distance takes into account the time it takes for the light to travel from the center of the disc to the observer, which is affected by the observer's motion. So whether ruler distance or radar distance is used, the result is the same and it still leads to the conclusion that space and time are distorted in a non-Euclidean way in the pseudo-gravitational field of the rotating disc.
  • #141
I found this article by M.Strauss in International Iournal of Theoretical Physics vol.11 No 2 (1974) pp.107-123(rotating frames in special relativity)
in this article the writer proves mathematicaly the fact that the geometry in a rotating disc is Eucildean .View attachment fulltext.pdf
 

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