Offline calil

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UA and acceleration measurements
« on: June 14, 2021, 12:30:13 AM »

I'm trying to figure out how /universal Acceleration is working.
At school, we are told that Gravity keeps everything on the ground and can be felt/measured as an upward acceleration.
In the Wiki, they say that there's no Gravity, but instead, the Flat Earth accelerate upward at a constant rate of 9.8m/s^2.

Which, theoretically, could be valid.

So, if Earth is flat, you'd expect a uniform acceleration everywhere, otherwise, the plane would dislocate, right?
Try to do the experiment, get a wide sheet of paper, and ask friends to push under the sheet at different points, with a different force : the sheet would deform and you wouldn't be able to do that long before it's not flat anymore.

However, along the years, people over the world have measured the upward acceleration (the research was about Gravity, but let's not focus on that and only on the measurements).
If I look at the measurements, I can see that the acceleration is not exactly the same everywhere:

So, what does this mean? Is there any explanation, in the UA Model?