# A wire of length 𝐿 suspended vertically from a rigid support is made to suffer extension 𝑙 in its length by applying a force 𝐹. The work is

Question: A wire of length 𝐿 suspended vertically from a rigid support is made to suffer extension 𝑙 in its length by applying a force 𝐹. The work is

(A) $\dfrac{Fl}{2}$

(B) 𝐹𝑙

(C) 2𝐹𝑙

(D) 𝐹𝑙