a) σ=DB̅q
b) σ=D
c) σ=Dε
d) σ=Dε0
Answer: c
Explanation: The relationship between the stress and strain that a particular material displays is known as that particular material’s stress–strain curve. The strains give information about the deformation of material particles but, since they do not encompass translations and rotations, they do not give information about the precise location in space of particles.
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