This is one of several challenges left for the community by Calvin's Hobbies. The curve that an idealised hanging rope or chain makes is a catenary. Image by Bin im Garten, via Wikimedia Commons.
Hanging cables
Judge vacates approval of 90-foot golf nets
ScrabbleCounter
Airborne, Vehicle-Derived Fe-Bearing Nanoparticles in the Urban
Transient Systems by Emergent Technologies and Design [EmTech
Nautical (Sailing) Terms (Words & Phrases), Nomenclature and
US Navy Course Boatswains Mate NAVEDTRA 14343, PDF
Computer Algebra Recipes
Roget Roget S Thesaurus of English Words and Phrases
CROSBY 5/8 MISSING LINK G335 (1013236)
CROSBY 1013192 G-335 Missing Link | 1/2-Inch Galvanized Replacement Connecting Link | 4,750 Lb. Working Load Limit | Quenched and Tempered Forged
geometry - Finding the catenary curve through three given points
2021 Craig M. Berge Engineering Design Day by University of
PDF) Architectural.Graphic.Standards.11th