Question

Assignment 2.6.2

Show that the Young’s modulus, Y is proportional to the second derivative of potential energy at the interatomic distance of separation, r; such that:

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Answer 1

Answer:

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Answer 2

Many objects deform according to Hooke's law; many materials behave elastically and have a Young's modulus. In this section, we explain the origin of elastic properties and Hooke's law by consideration of the forces and energies between atoms or molecules in a solid. But first, an experiment.