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Question:

tell me about stress,strain and modulus of elasticity?

eg aluminium,copper, brass, iron, mild steel, glass tungsten, bone

Answer:

Stress is the amount of force applied eg tension; strain is the amount of stretch or deformation that the material undergoesElasticity is an expression of the material's ability to return to its former shape upon release of the force or loadIf one plotted the stress vs strain curve, a linear portion might be seen, up to the yield pointDuctile materials can deform beyond the yield point, while brittle materials rupture at or near the yield pointsome metals are generally more ductile, while ceramics are generally more brittle The modulus of elasticity (Young's modulus) is the slope of the stress-strain curve in the elastic regionI hope this helps!
steam a cake? I thought only UK puddings were steamed! and these are wrapped in muslinI have not read any recipes that call for steaming cakes and my favorite reading material is cookbooks and cooking sites.

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