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According to ChatGPT, acceleration, before the time of Galileo and Newton, only meant to speed up, from the Latin, accelerare (to hasten).
It was during this period the word's modern meaning developed (to, change in velocity, i.e., speeding up, slowing down, or changing direction).
So when someone like Aristotle spoke of acceleration he only meant speeding up.
He also believed;
A force is required to maintain motion (which Newton later disproved).
Objects have a “natural place”, and they move toward it unless acted on otherwise.
Heavier objects fall faster (again disproved by Galileo).
"The secret of getting ahead is getting started."
Mark Twain
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For instance... what is the trajectory of a uniformly accelerated linear motion?
Added:
I recall I asked, 40 years ago, this question in a classroom (high school). I didn't get the right answer!
Last edited by KerimF (2025-05-26 06:46:01)
Every living thing has no choice but to execute its pre-programmed instructions embedded in it (known as instincts).
But only a human may have the freedom and ability to oppose his natural robotic nature.
But, by opposing it, such a human becomes no more of this world.
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