Unit III. Elasticity T3. Strains T4. Stress T5. Stress-Strain relations T6. Yield Criterions Unit IV. Elastic stress in beams T7. Normal stresses under axial loading T8. Axial and biaxial bending in beams - Combined bending an axial load T9. Shear of beams T10. Torsion Unit V Plastic bending T11. Plastic bending Unit VI. Deflection of beams T12. Deflection of beams Unit VII. Buckling T13. Buckling