The unit covers following points

1. **Understanding Stress-Strain Relationship**: Delve into the foundational connection between applied forces and material deformation, crucial for structural analysis and design.

2. **Defining Stress and Strain**: Explore the definitions of stress, representing force per unit area, and strain, measuring material deformation under external loads.

3. **Analysis of Material Behavior**: Investigate how materials respond to tensile, compressive, and shear stresses, providing insights into their mechanical properties.

4. **Exploring Material Properties**: Examine key material characteristics such as elastic modulus, yield strength, and ultimate strength, informing material selection and design considerations.

5. **Unraveling Material Responses**: Gain insights into how materials react to various external forces and loading conditions, aiding in predicting structural performance.