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Something's not adding up
(lemmy.world)
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this post was submitted on 19 Nov 2024
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It's actually because the thing that makes you make those faces is the acceleration, not the speed.
All three reference frames shown are accelerated, non inertial frames. But the first two have "fictitious" centrifugal accelerations somewhere around 0.5-2.5 g. The third frame has a detectable centrifugal acceleration, but it's like 0.003 g or something, and can be lumped in with gravity for many types of problems.
It's actually because of wind resistance, the air is moving the same speed as the ground when the earth turns so you don't feel it.
(don't @ me I'm just following what I recognized to be a humorous pattern of technically correct "well actually"s)