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Here are three stress and strain graphs shown on approximately the same scale. Match each graph to one of either copper, glass or rubber. Give reason for your choices, perhaps making reference to the grey circular points

Here are three stress and strain graphs shown on approximately the same scale Match each graph to one of either copper glass or rubber Give reason for your choi class=

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For the three graphs A,B and C in the graph C we see that the strain is larger for a small value of stress.

This type of graph is for the polymers (rubber).

The graph A has smallest amount of strain for stress in comparison with B.

Upto the grey circle stress and strain are proportional .

Graph A is for Glass and B for Copper.