Question

What is tensile stress ?

Answer 1

Hi friend here is your answer

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Tensile stress is the stress which cause in the expansion but in lengthwise tensile direction but the volume of the object stays constant

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Answer 2

Hi

Here is your answer,

When two equal and opposite forces are applied at the ends of a circular rod to increase it's length then a restoring force equal to the applied force F normal to the cross-sectional area A of the rod comes into existence. This restoring force per unit area of cross-section is known as tensile stress.

                          Tensile stress = F/A

In case of tensile stress, there is increase in length of a body. Consider a rod of length L, the two equal forces F are applied in the direction, then the final length of the rod becomes L + ΔL.