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#### Presentation Transcript

**1. **Internal Forces ENGR 221
March 17, 2003

**3. **What use are the Internal Loads?

**4. **General Solution Scheme

**5. **Simplest form Solution Scheme

**6. **Force Diagrams

**7. **Axial Forces

**8. **Example – Axial Load Problem

**9. **Example – Axial Load Problem

**10. **Example – Axial Load Problem

**11. **Example – Axial Load Problem

**12. **Example – Axial Load Problem

**13. **Class – Axial Load Problem

**14. **Torque

**15. **Torque

**16. **Example – Torque Problem

**17. **Example – Torque Problem

**18. **Example – Torque Problem

**19. **Example – Torque Problem

**20. **Example – Torque Problem

**21. **Example – Torque Problem

**22. **Example – Torque Problem

**23. **Example – Torque Problem

**24. **Class – Torque Problem

**25. **Internal Forces and Bending Moment

**26. **Internal Forces and Bending Moment

**27. **Internal Forces and Bending Moment

**28. **Internal Forces and Bending Moment

**29. ** Example – Internal Forces in a Frame Problem

**30. ** Example – Internal Forces in a Frame Problem

**31. ** Example – Internal Forces in a Frame Problem

**32. ** Example – Internal Forces in a Frame Problem

**33. **Quiz

**34. **Class – Internal Forces in a Frame Problem

**35. **Homework (Due 3/24/03)