MadSci Network: Physics

Subject: How big is the gravitational force between nucleons?

Date: Mon Jun 5 13:39:53 2000
Posted by Rob Kofsky
Grade level: 10-12 School: Pittsford Sutherland High School
City: Pittsford State/Province: NY Country: 14534
Area of science: Physics
ID: 960226793.Ph

Well, it's an odd question, but I'm not sure where else to turn for the 
numbers needed to figure it out.  Neutrons and protons, i would assume, 
exhibit gravitational attractions towards one another in the nucleus that 
must contribute to holding the nucleus together.  The masses involved are 
very small, but so are the distances (I couldn't find the exact #'s 
unfortunately).  I know that the strong force is mostly responsible for 
holding the nucleus together, but does gravity have any noticeable affect? 
 How much bigger is the strong force than the gravitational forces holding 
nucleons together?  Thanks much for any help you can render.

Re: How big is the gravitational force between nucleons?

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