Two wires are made of the same material and have the same volume. However, wire 1 has…
Physics · NEET · NTA Exams — Properties of Solids and Liquids
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 ∆x on applying force F, how much force is needed to stretch wire 2 by the same amount?
- F
- 4F
- 6F
- 9F
Answer
(D) 9F
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