Hi Gordygordonjudd wrote: ↑Thu Jul 11, 2019 1:13 pm Since internal tension is a double ended force could it provide any net force on the line?
I seems to me that internal tension forces will cancel out all around the line so I don't see how that internal tension could help to support the loop end of the catenary formed in the rod leg.
I meant the effect of increased tension at the loop (which equal & opposites at the rod tip). If you hang cable with a flattish sag, increasing tension at the ends will lift the centre and reduce that sag.
Regards,
Dirk