[cluster-l] basic doubt

[sathish kumar gurupatham]

hi,
can any one explain me why electrostatic potential is negative in sign where
as other potentials are positive(ubiquitin -tutorial)?
what the sign indicates?
thanks in advance.
sathish.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://www.ks.uiuc.edu/pipermail/cluster-l/attachments/20070715/771c754d/attachment.html