6. The principle of equivalence.

MIT 8.962 General Relativity, Spring 2020
Instructor: Scott Hughes
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Introduction to the principle of equivalence: freely falling frames to generalize the inertial frames of special relativity.  Two important variants of the equivalence principle (EP): The weak EP (one cannot distinguish free fall under gravity from uniform acceleration over 'sufficiently small' regions); the Einstein EP (the laws of physics in freely falling frames are identical to those of special relativity over 'sufficiently small' regions).

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