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A comment on Quantum particles feel the influence of gravitational fields they never touch. Parent comment

Re:Quantum particles feel the influence of gravitational fie... by martopix on Friday January 14, 2022 @12:21PM (#29937216)
> There is no "gravitational force" in free fall, and the particles were in free fall.

what is free fall in a reference frame is a particle subject to a force in another reference frame.

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Re:Quantum particles feel the influence of gravitational fie... by pdonis on Friday January 14, 2022 @01:07PM (#29937857)
No, it isn't. Free fall is invariant: attach an accelerometer to the object and it reads zero. That is true regardless of your choice of reference frame.
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