All Questions
3
questions
13
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6
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Is spacetime curved in a near-earth-free-falling-object's frame of reference?
If I float motionless in outer space, I will measure spacetime to be approximately flat.
By the equivalence principle, I will get flat spacetime if I am free falling near earth.
Is this right? ...
2
votes
3
answers
754
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Uniform Gravitational Field = No Gravitational Field?
I'm reading Geroch's lecture notes on GR, and in the first chapter he makes the following assertion:
People inside an elevator freely falling in a uniform gravitational field cannot distinguish ...
0
votes
2
answers
255
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Acceleration in Space
Lets assume a body with a certain mass is in a region of space that has zero $g$ (or pretty close to zero $g$).
Would acceleration in a straight line produce $g$-forces?
Would that mass acquire ...