alleryStrain (longitudinal) is:
AΔl / l (dimensionless)
BF/l
CΔl × l
Dl × A
Answer & Solution
Correct answer: A. Δl / l (dimensionless)
Longitudinal strain = ΔL/L₀: fractional change in length. Dimensionless.
**Volume strain:** ΔV/V. Shear strain: tan θ ≈ θ.
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