Stress Vs Strain (conceptual)

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Stress is defined as?

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1. **Definition**: Stress is the internal restoring force developed per unit area of a deformed body.
2. **Type**: For small deformations, this restoring force is equal in magnitude to the external applied force ($F$).
3. **Formula**: **$	ext{Stress} = \frac{F}{A}$**.
4. **Dimensions**: $[ML^{-1}T^{-2}]$ (same as pressure).
5. **Strain Check**: Option 1 refers to **Strain** (relative deformation). Option 4 refers to **Elastic Energy Density**.

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Stress Vs Strain (conceptual)

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