Let's Do the Shocking Physics of Why Power Lines Sag

When a cable is supported by the two ends, it will hang down a bit depending on the tension in the cable. How can you model this cable sag with a computer?

Ampere's law to calculate the B field from a balanced three-phase system

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178 Sagged Wires Images, Stock Photos, 3D objects, & Vectors

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Why do Electric Wires Sag in Summers? Heat, Thermal Expansion

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Why do they hang power lines with tons of slack? Doesn't this waste an enormous amount of cable? : r/answers

Why don't birds get electrocuted sitting on power lines? - Quora

Sag in transmission lines

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Assessing wind impact on semi-autonomous drone landings for in-contact power -line inspection