A piece of copper is drawn into continuous wire. What behavior is the copper exhibiting?
Correct answer: C. Plastic Only
- A. Brittle only
- B. Elastic only
- C. Plastic Only
- D. Both brittle and elastic
Explanation
For stresses beyond the elastic limit, a material exhibits plastic behaviour. This means the material deforms irreversibly and does not return to its original shape and size, even when the load is removed.
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About Deformation and Elasticity
Deformation and elasticity describe how solids change shape or volume under an applied force and return to their original form when the force is removed. Work includes stress, strain, Hooke’s law, elastic limit, Young’s modulus and elastic potential energy, while elastic deformation must be distinguished from permanent plastic deformation.
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