5.3: Elasticity - Stress and Strain - Physics LibreTexts
https://phys.libretexts.org/Bookshelves/College_Physics/College_Physics_1e_(OpenStax)/05%3A_Further_Applications_of_Newton's_Laws-_Friction_Drag_and_Elasticity/5.03%3A_Elasticity_-_Stress_and_Strain
WEBFeb 20, 2022 · The ratio of force to area, \(\frac{F}{A} \) is defined as stress, measured in N/m 2.The ratio of the change in length to length, \(\frac{\Delta L}{L_0}, \) is defined as strain (a unitless quantity). In other words, \[ stress = Y \times strain.
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