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Figure 9.11 shown the strain - stress cu...

Figure 9.11 shown the strain - stress curve for a given material. What are (a) Young's modulus and (b) approximate yield strength for this material ?

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The correct Answer is:
(a) From the given graph for a stress of `150xx10^(6)" N m"^(-2)` the strain is `0.2`
(b) Approximate yield strength of the material is `3xx10^(8)" N m"^(2)`
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