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Topics - fozington

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Flat Earth Theory / Question from a physicist
« on: May 16, 2017, 12:57:56 PM »
Hello everyone. 

I have a question for you all.  I've been through the FAQ and, although the concept of gravity is discussed, I couldn't see any reference to this particular point.

Imagine that you're travelling around with an accurate accelerometer (a device which measures acceleration).  At various places you stop and take a measurement, and after a while start to notice that these measurements differ from each other by a small amount.  This shows that the strength of gravity is different at different places on the planet. 

In classical physics this is well documented and can be explained by a number of different phenomena.  For example, according to Newton's law of gravitation [F=G(Mm)/r^2] if you are at the top of a mountain, gravity should be slightly weaker than if you were at sea level.  Also, the non-uniform mass density of the planet can account for some considerable variation, even if measurements are taken at the same altitude.  In fact, the measurement you take can vary by as much as 0.7% from place to place.

Now, as I understand it (and do please correct me if I've got the wrong idea) you suggest that the flat Earth is being accelerated upwards at a constant 9.8m/s^2.  Surely, if that were the case, the acceleration measured at any point on the planet would be exactly the same.

Thanks for taking the time to read this, and I look forward to hearing what you have to say.  Please note, I'm not here as a troll, I just find the whole topic fascinating.

Thanks!

F

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