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change of tension formula

change of tension formula

change of tension formula

(OP)
studying a rolling mill model I have found this equation:

dT/dt=k(V2-V1)

where

V1: strip velocity at point 1
V2: strip velocity at point 2
T: strip tension stress at a point between point 1 and point 2

Is that correct?
What principle of physics is it based on?  

thanks,
JAM

RE: change of tension formula

Impulse.

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