Question

Difference between stress and strain.
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Answer 1

Explanation:

Stress is a force acting on a rock per unit area. ... Stress can cause strain, if it is sufficient to overcome the strength of the object that is under stress. Strain is a change in shape or size resulting from applied forces (deformation). Rocks only strain when placed under stress.

Answer 2

Stress:-

Stress is the force applied to a material, divided by the material's cross-sectional area.

Strain:-

Strain is the deformation or displacement of material that results from an applied stress

Extra Explaination:-

A material's change in length (L – L0) is sometimes represented as δ.