alleryOn a stress strain curve for a metal, point D marks which quantity?
AThe yield strength
BThe elastic modulus
CThe ultimate strength
DThe lateral strain
Answer & Solution
Correct answer: C. The ultimate strength
1. Point D sits past the yield point, in the plastic region.
2. It is the highest stress the material carries before it gives way.
3. Point D is the ultimate tensile strength of the material.
_Source: syllabus Physics, Ch 9 'Mechanical Properties of Solids'_
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