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originally posted by: cooperton
Turbo, what do you think causes the 9.8m/s^2 acceleration towards earth?? Serious question.
originally posted by: neutronflux
Or explain other than gravity why a brick thrown straight up into the air slows down faster than what is attributed to with friction with the atmosphere. Stops. Changes direction to fall back to earth.
That you have no better explanation for gravity than gravity.
originally posted by: dragonridr
a reply to: turbonium1
You did not answer his question you avoided it. Dont truly have an answer do you? Oh and the reason the ground stops an object is because it doesnt have the ability to pass through it.
Mind Blown! Why Can’t You Walk Through Walls?
www.forbes.com...
It may not matter to your daily life to understand exactly why you can’t walk through a wall. After all, you could try a couple of times and then simply put it on your list of things not to try. But for those who are interested in understanding why things are the way they are, the nature and behavior of solid matter is worth knowing. An object that is experientially solid is actually empty space, filled with forcefields, and inhabited by antisocial subatomic particles that take energy to displace. And it is that required energy that makes things solid. The level of abstraction increases with each tier of understanding. And yet it’s all true and it says something very profound about our ability to understand very non-intuitive things.
Here's The Reason You Can't Actually Walk Through Walls, According to Science
www.sciencealert.com...
As first formulated by Austrian physicist Wolfgang Pauli in 1925, no two electrons in an atom can simultaneously be in the same state and configuration. That is, you can't have two electrons occupying the same space doing the same job. They're a bit like the Highlander - there can only be one.
This is called the Pauli Exclusion Principle, and it applies to all fermions. It also means that atoms are pretty effective at blocking other atoms from getting all up in their space.
This is what makes solid objects solid, and keeps them from passing through each other. But does that mean we can never really touch anything? Well, not so fast.
This is sometimes explained in quantum mechanics as a repulsive force between the two fermions, and the popular science interpretation is that this keeps atoms from touching other atoms. But the way the word "force" is used to describe these interactions doesn't translate to the way the word is used in the world at large.
As a mathematical consequence, fermions exhibit strong repulsion when their wave functions overlap, but bosons exhibit attraction. This repulsion is what the exchange interaction models. Fermi repulsion results in "stiffness" of fermions. That is why atomic matter, is "stiff" or "rigid" to touch. Where wave functions of electrons overlap, Pauli repulsion takes place. The same is true for protons and neutrons where due to their larger mass, the rigidity of baryons is much larger than that of electrons.
en.m.wikipedia.org...
originally posted by: Out6of9Balance
a reply to: neutronflux
Sorry, I don't know by what logic you go but people that mock me aren't friends.
originally posted by: Itisnowagain
a reply to: Out6of9Balance
Neutronflux has reading difficulties.
originally posted by: Out6of9Balance
a reply to: neutronflux
Lovely self-aggrandizement.