Question

what does the slope of stress versus strain graph give?

Answer 1

the slope of stress vs strain graph gives you modulus of elasticity.

Answer 2

Slope of stress versus strain graph give the the modulus of elasticity, which is also known as Young's modulus of a material.

• The material’s stress-strain curve gives its stress-strain relationship.
• Strain is plotted in X axis and Stress is plotted in Y axis.
• The different regions in the stress-strain graph is Proportional Limit, Elastic Limit , Yield Point , Ultimate Stress Point, Fracture or Breaking Point.
• Hooke’s Law states that the strain of the material is proportional to the applied stress within the elastic limit of that material.

• Mathematically,

                              F = –k.x

• Stress is defined as force per unit area within materials that arises from externally applied forces.
• Strain is the amount of deformation experienced by the body in the direction of force applied, divided by the initial dimensions of the body.

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