Silly physics...

Richard Lightman richard at
Thu Feb 13 02:01:03 PST 2003

* Jochen Schroeder <jschrod at> [2003-02-13 09:55]:
> Coulomb-force is F=k(q1*q2)/r^2 where k=1/(4*pi*epsilon0) now lets
> consider we don't have a pendulum but a spring this force corresponds to
> a force F=Dz where D is the spring tension (I think this is the english
> name for it)

It is called "Young's Modulus".

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