/sci/ - Science & Math » Thread #11397606

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Anonymous Wed 19 Feb 00:56:37 2020 No.11397606 View Reply Original Report

Quoted By: >>11397662 >>11397674 >>11397812 >>11398053

Why don't marbles attract each other?

Anonymous

Anonymous Wed 19 Feb 2020 01:01:05 No.11397614 Report

Quoted By:

Supposedly objects attract each other in outer space, but not on my table

Interesting

https://www.youtube.com/watch?v=sDZ_D_E95GM

Post n-body gravity simulations in this thread. I want to see one that simulates planetary formation with any degree of plausibility.

Anonymous

Anonymous Wed 19 Feb 2020 01:13:40 No.11397648 Report

Quoted By:

This one is interesting. It's also interesting that science never mentions of planets changing shapes as they're torn apart, they're always talked about as being rigid snooker balls.

https://www.youtube.com/watch?v=ri_xEO5Xy2Y

Anonymous

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Anonymous Wed 19 Feb 2020 01:19:35 No.11397662 Report

Quoted By: >>11397682

>>11397606
What are you expecting to observe?

Anonymous

Anonymous Wed 19 Feb 2020 01:23:43 No.11397674 Report

Quoted By:

>>11397606
They do, but the force of friction and gravity of the earth is several magnitudes higher than the force of gravitational pull they have on each other.

Anonymous

Anonymous Wed 19 Feb 2020 01:27:06 No.11397682 Report

Quoted By: >>11397819

>>11397662
Calculate the gravitational between two marbles. If you put them inside a vacuum chamber, they should move closer and closer to each other as the years went by.

Anonymous

Anonymous Wed 19 Feb 2020 01:35:21 No.11397702 Report

Quoted By: >>11397817 >>11397819

Now think about it: if gravity between two marbles is like 0.000000000001N, how are people supposed to believe there would be any meaningful gravitational attraction between individual atoms in a particle cloud in outer space?

https://www.youtube.com/watch?v=wfImQOZp3hE

Anonymous

Anonymous Wed 19 Feb 2020 01:39:56 No.11397716 Report

Quoted By: >>11397819

This one is nice too. From the simulations one can conclude the future of the universe is everything turning into a single absolutely solid ball.

https://www.youtube.com/watch?v=MncUDWhPB_E

Anonymous

Anonymous Wed 19 Feb 2020 02:27:16 No.11397812 Report

Quoted By:

>>11397606
friction

Anonymous

Anonymous Wed 19 Feb 2020 02:32:09 No.11397817 Report

Quoted By:

>>11397702
>how are people supposed to believe there would be any meaningful gravitational attraction between individual atoms in a particle cloud in outer space?
When you have 10^30 particles, the effect starts to show itself.

Anonymous

Anonymous Wed 19 Feb 2020 02:34:25 No.11397819 Report

Quoted By: >>11397821

>>11397682
If friction isn't a factor then yes, that's exactly what would happen. Has anyone put two marbles in a frictionless vacuum chamber for several years yet? No.

>>11397702
Barycenter. Individual particles would be attracted to the sum of all gravitational forces of all the atoms.

>>11397716
Hubble's consant. Space itself is expanding too fast.

Anonymous

Anonymous Wed 19 Feb 2020 02:36:37 No.11397821 Report

Quoted By:

>>11397819
>Has anyone put two marbles in a container that magically voids all electromagnetic forces
No, damn I guess gravity is debunked

Anonymous

Anonymous Wed 19 Feb 2020 02:37:44 No.11397824 Report

Quoted By:

>ITT OP thinks gravity is the only force in the universe

Anonymous

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Anonymous Wed 19 Feb 2020 04:37:21 No.11398053 Report

Quoted By:

>>11397606
They do, the force is just very small. Henry Cavendish was able to measure the force on some slightly bigger balls back in 1798
https://en.wikipedia.org/wiki/Cavendish_experiment

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