[gmx-users] Negative AFM forces??

George Patargias DPhil GEORGEP at biop.ox.ac.uk
Tue Nov 29 16:55:32 CET 2005


I am sorry to bother everybody for this.

Thanks Berk for your previous answer about the AFM forces.
What is still not clear about the AFM pulling forces is
this: If the force exerted on the pulled group is indeed
F = k*(z_spring - z_pullgroup) then why do I get negative
forces? Does this mean that pulled group can overcome the

Thanks in advance.

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