Which term describes the ability to deform unusually by stretching along its length?

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Multiple Choice

Which term describes the ability to deform unusually by stretching along its length?

Explanation:
Stretching along its length and not snapping immediately describes ductility. Ductility is the ability of a material to undergo significant plastic deformation under tensile loading, allowing it to be drawn out into wires or elongated a lot before fracture. Elasticity would mean it would spring back after the load is removed, which isn’t about permanent elongation. Plasticity is about permanent deformation in general, but ductility specifically highlights elongation under tension. Hardness relates to resisting indentation, not how much it can be stretched. So the term that best fits stretching along the length is ductility.

Stretching along its length and not snapping immediately describes ductility. Ductility is the ability of a material to undergo significant plastic deformation under tensile loading, allowing it to be drawn out into wires or elongated a lot before fracture. Elasticity would mean it would spring back after the load is removed, which isn’t about permanent elongation. Plasticity is about permanent deformation in general, but ductility specifically highlights elongation under tension. Hardness relates to resisting indentation, not how much it can be stretched. So the term that best fits stretching along the length is ductility.

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