Thursday 15 August 2019

general relativity - How exactly and WHY does matter affect space-time?



According to general relativity, inertial mass and gravitational mass are the same, and all accelerated reference frames (such as a uniformly rotating reference frame with its proper time dilation) are physically equivalent to a gravitational field of the same strength.


Refer: Einstein's thought experiment of a Physicist in an Accelerated Box.


I find that the 'How' part of this question is somewhat easy to understand Mathematically but hard to visualize physically and on the 'Why' part I am totally blank.




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