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When a uniform and flexible chain hangs from two pegs, its weight is uniformly distributed along its length. The shape it takes is called a _________(a) Catenary(b) Parabola(c) Hyperbola(d) EllipseI got this question in class test.My question comes from Curves Used in Engineering Practice in chapter Lettering Practice, Scales & Curves of Civil Engineering Drawing

Answer»

Correct answer is (a) Catenary

Easy explanation: When a uniform and flexible chain HANGS from two PEGS, its weight is UNIFORMLY distributed along its length. The shape it takes is called a catenary. The catenary curve has a U-like shape, superficially similar in appearance to a parabola, but it is not a parabola. The catenary is also called the alysoid, chainette, or, PARTICULARLY in the materials sciences, funicular. This figure blow REPRESENTS a catenary and a parabola.



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