Two wires are made of the same material and have the same volume. Howe – McqOptions

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1.	Two wires are made of the same material and have the same volume. However, wire 1 has cross-sectional area \[A\] and wire 2 has cross-sectional area\[3A\]. If the length of wire 1 increases by Ax on applying a force \[F\], how much force is needed to stretch wire 2 by the same amount?
A.	\[F\]
B.	\[4F\]
C.	\[6F\]
D.	\[9F\]
Answer» E.

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