Question

Two wires are made of the same material and have the same volume. The area of cross sections of

the first and the second wires are A and 2A respectively. If the length of the first wire is increased by

∆l on applying a force F, how much force is needed to stretch the second wire by the same amount?

(a) 2

(b) 4

(c) 8

(d) 16​

Answer 1

Answer:

c) 8

Explanation:

this is the answer of this questins