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Q2 (a)  Figure 9.11 shows the strain-stress curve for a given material. What are (a) Young’s modulus 


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Young’s modulus is given as the ratio of stress to strain when the body is behaving elastically. 

For the given material

\\Y=\frac{Stress}{Strain}\\ Y=\frac{150\times 10^{6}}{0.002}\\ Y=7.5\times 10^{2}Nm^{-2}

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