Learn about new technologies!

What is the correct answer?


The ends of a string weighing w/metre are attached to two points at the same horizontal level. If the central dip is very small, the horizontal tension of the string throughout is

A. wl/4d

B. wl²/4d

C. wl²/8d

D. wl²/16d

Please do not use chat terms. Example: avoid using "grt" instead of "great".