Physics · Elasticity
What is the defining characteristic of auxetic materials?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Poisson's ratio is greater than 1.
- 2Poisson's ratio is exactly zero.
- 3Poisson's ratio is positive and less than 0.5.
- 4Poisson's ratio is negative.✓
Correct answer
Poisson's ratio is negative.
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