No gravity at center of earth= no pressure?

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SUMMARY

The discussion centers on the concept of gravity and pressure at the Earth's center, clarifying that while gravitational force is zero at the center, pressure remains significant due to the weight of the Earth's layers above. Participants explain that pressure is a function of the weight of material above, not solely dependent on gravitational force. The analogy of a heavy object on a table illustrates that even if the gravitational pull is absent at the center, the surrounding mass exerts pressure. The consensus is that gravity does not cease to exist but rather its effects change within a spherical shell.

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  • Understanding of gravitational forces and pressure dynamics
  • Familiarity with the concept of spherical shells in physics
  • Basic knowledge of pressure calculations (P = F/A)
  • Concept of static equilibrium in physical systems
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  • Research the effects of gravitational forces within spherical shells
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Students of physics, astrophysicists, and anyone interested in understanding gravitational effects and pressure dynamics within planetary structures.

  • #181
Studiot said:
No I do not mean the interatomic distance ( distance between nuclei).

http://winter.group.shef.ac.uk/orbitron/

Please these orbital exist side by side in space, not in shells like onions.

The Boltzmann distribution curve gives an energy distribution, not a spatial one.

Electrons occupy such interesting orbitals! So are you saying that the electrons in the 2p and 6p orbitals are equidistant from the nucleus?
 
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  • #182
It varies, but all the dumbell types (p, d) have a component right up to the nucleus where.

An interesting question is how they all co-exist in an atom with a lot of electons!
 
  • #183
Easy. Because they are wavelike and have no choice!
 
  • #184
Because they are wavelike and have no choice!

Yes, true but still interesting.
:smile:
 
  • #185
Studiot said:
Yes, true but still interesting.
:smile:

Then it depends on what exactly the electrons are doing. Do they occupy the entire orbital all at once, or are they found as a pointlike object within them?
 
  • #186
Drakkith said:
Then it depends on what exactly the electrons are doing. Do they occupy the entire orbital all at once, or are they found as a pointlike object within them?

The orbital is nothing but a probability cloud. When you measure the position of the electron, it will be found within that cloud - with no indication as to what it was doing before the moment of measurement and no indication as to what it might do after the moment of measurement. The shape of the cloud simply defines the probability of where it will be found at that moment.

So, the latter.
 
  • #188
This thread went off the rails around post 168, with discussion about neutrons. It should be split into a separate thread.
 

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