11th Class Physics Mechanical Properties of Solids / ठोसों के यांत्रिक गुण Question Bank Mechanical Properties of Solids Conceptual Problems

  • question_answer
    Why does a wire get heated when it is bent back and forth?

    Answer:

                    When a wire is bent back and forth, its deformations are beyond elastic limit. The work done against interatomic forces is no longer stored totally in the form of potential energy. The crystalline structure of the wire gets affected and work done is converted into heat energy.


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