What is elasticity, and explain stress and strain curve

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Elasticity is the ability of a material to return to its original shape after being deformed. Stress and strain curve shows the relationship between stress and strain.

Elasticity is a property of materials that allows them to return to their original shape after being stretched or compressed.
Stress is the force applied to a material per unit area, while strain is the resulting deformation of the material.
The stress-strain curve shows the relationship between stress and strain for a given material.
The curve typically has three regions: elastic deformation, plastic deformation, and fracture.
In the elastic region, the material returns to its original shape when the stress is removed.
In the plastic region, the material undergoes permanent deformation.
Fracture occurs when the stress exceeds the material's strength.
The slope of the stress-strain curve in the elastic region is known as the modulus of elasticity or Young's modulus.

What is elasticity, and explain stress and strain curve

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