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प्रश्न
Define stress.
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उत्तर
The force per unit area is called as stress.
Stress, σ = `"Force"/"Area" = "F"/"A"`
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संबंधित प्रश्न
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?
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