Question

a) Define elasticity of a matter.

b) Define stress and strain. Explain different types of stress and strain. 1+4

c) The radius of a silver bar is 30 𝑐𝑚. What force is required to stretch the bar by 12.7% of its length where Young’s modulus is 𝑌 = 7.25 × 1010 𝑁𝑚−2 . 

Answer 1

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