If 'L' is the span of a light suspension bridge, whose, each cable carries total weight (W) and the central displacement is 'y', the horizontal pull at each support is ________.
1
WL/4y
2
WL/8y
3
WL/2y
4
WL/y
If 'L' is the span of a light suspension bridge, whose, each cable carries total weight (W) and the central displacement is 'y', the horizontal pull at each support is ________.