What is elasticity? What is an elastic body?

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(B) Step $1$: Elasticity is defined as the property of a body by virtue of which it tends to regain its original size and shape when the applied defor

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Elasticity is the property of a body to regain its original shape after the removal of a deforming force.

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(B) Step $1$: Elasticity is defined as the property of a body by virtue of which it tends to regain its original size and shape when the applied deforming force is removed.Step $2$: An elastic body is a substance that exhibits the property of elasticity. When an external force is applied to such a body, it undergoes deformation, but it returns to its original configuration once the force is removed.Step $3$: In contrast, if a substance like putty or mud is subjected to a force, it does not regain its original shape and remains permanently deformed. Such substances are called plastic, and this property is known as plasticity.

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