Q140. Two wires are made of the same material and have the same volume. However, wire 1 has a cross-sectional area of A, and wire 2 has a cross-sectional area of 3A. If the length of wire 1 increases by ∆x on applying force F, how much force is needed to stretch wire 2 by the same amount?Physics — NUST Mock 3 — Question 140 of 200A. FB. 4FC. 6FD. 9FPractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →