Question: As you learn the difference between engineering strain and true strain from Problem 2 , let see the difference in real numbers. A copper bar

As you learn the difference between engineering strain and true strain from Problem 2, let
see the difference in real numbers. A copper bar of 100 mm diameter is first extruded into a
slender bar of 20 mm diameter. The slender bar is then extruded into a wire of 2 mm in
diameter. Find engineering strains and true strains in the 2 steps respectively.
As you learn the difference between engineering

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