Stress-strain curve| Hooke law and Elastic Moduli

Hooke's Law

Draw stress-strain curve for elastomers (elastic tissue of Aorta)

Strain|Stress - Strain Graph|Hooke's Law|Young's Modulus Of Elasticity|Increment Of Length Due To Own Weight

Stress-strain curve for four metals are shown in figure. The maximum Young's modulus of elasticity is for metal

Stress-strain curve||Bulk modulus||Shear modulus||Modulus OF rigidity||Poisson's ratio||Examples on elasticity

Stress-strain curve||Bulk modulus||Shear modulus||Modulus OF rigidity||Poission ratio||Examples on elasticity

Figure shows the stress-strain curve of two metals P and Q . From the graph, it can be concluded that

Assertion Upto elastic limit of a stress-strain curve, the steel wire tends to regain its original shape when stress is removed. Reason Within elastic limit, the wire follows Hooke's law.

Stress strain Curve|| Elastic Fatigue|| Hysteresis|| Poisson's Ratio

Fig., shows the stress-strain curve for a given materal. What are (a) Young's modulus and (b) approximate yield strength for this material?