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Author Topic: Playing gravity and inertia...  (Read 3658 times)

Offline iacob alex

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Playing gravity and inertia...
« on: January 23, 2019, 06:38:02 PM »
.....at : https://youtu.be/JvK0XHpzaMw
     In my opinion , we can combine in some way the gravitational fall  and the rotational inertia effects ( centrifugal " fall "...) , so to imagine  a continuous "self" unbalance ( "free" motion...) !
     Al_ex

Offline Low-Q

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Re: Playing gravity and inertia...
« Reply #1 on: January 26, 2019, 12:00:53 PM »
.....at : https://youtu.be/JvK0XHpzaMw
     In my opinion , we can combine in some way the gravitational fall  and the rotational inertia effects ( centrifugal " fall "...) , so to imagine  a continuous "self" unbalance ( "free" motion...) !
     Al_ex
Average potential energy of mass does not change in a closed loop. Several such systems combined does not change that fact.


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Offline iacob alex

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Offline Low-Q

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Re: Playing gravity and ( mysterious ) inertia...
« Reply #3 on: February 16, 2019, 09:47:51 AM »
.....at : https://www.americanscientist.org/article/the-forgotten-mystery-of-inertia
     Al_ex
"we still don't know how a gyroscope stays pointed in a fixed direction" - Yes, we do
 ;)
The spinning mass of a gyroscope is forced to follow the spinning solid mass. That's one.
This spinning mass do not want to change direction angular to this motion, just like any other object that flies through the air. It does not suddenly change direction unless a force is doing so.
Therefor the gyroscope stays fixed.
However, there is something called precesseion, when the spinning gyroscope starts to wobble, but this happens only if the gyroscope rests on a pin towards the ground or a table. It becones unstable due to the force of gravity.


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Offline iacob alex

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Re: Playing gravity and inertia...
« Reply #4 on: September 30, 2020, 11:08:10 PM »
.....at : https://www.abc.net.au/science/bernie/secret1/two.htm
     Anyway , we are living "inside" inertia and gravity...the problem is how we can play them.
     Al_ex