Any material that exhibits behavior that is elastic and perfectly plastic is a characteristic of a composite material. This represents a two element composite material exhibiting dual properties that is elastic and perfectly plastic.
The material is subjected to tensile loading and assumed to be isotropic obeying the Tresca yield criterion.
Answer: A young adult today and a young adult in the 50s are very different. one difference is that they would dress differently, easier to get jobs, different opinions based on time period.
