Gravity is not a force. But what does that mean?

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Just exactly what does it mean that gravity is not a force? In this video I will revisit the question and explain why you are currently accelerating upwards, and how Einstein's equivalence principle works.

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00:00 Intro
00:42 Acceleration is absolute
02:17 How gravity works in general relativity
04:21 Einstein's Equivalence principle
11:39 From Einstein back to Newton
13:48 Learn Science with Brilliant

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