The cable of a uniformly loaded suspension bridge hangs in the form of a parabola. The roadway
Channel: Doubtnut
Date: 2020-06-28

The cable of a uniformly loaded suspension bridge hangs in the form of a parabola. The roadway which is horizontal and 100 m long is supported by vertical wires attached to the cable, the longest wire being 30 m and the shortest being 6 m. Find the length of a supporting wire attached to the roadway 18 m from the middle.