As constrast to the catenary in Chris's answer, you could show a suspension bridge, which has a parabola...
added
According to LINK, the curve in a suspension bridge is generally a curve intermediate between a catenary and a parabola.
As constrast to the catenary in Chris's answer, you could show a suspension bridge, which has a parabola...
As constrast to the catenary in Chris's answer, you could show a suspension bridge, which has a parabola...