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Mechanics of Materials

Mechanics of Materials. Lecture 3 Chapter1 - Part 3. Determine internal forces at all points between A and B, B and C & C and D. How?. Cut at any point between A and B and then draw FBD. Cut at any point between B and C and then draw FBD.

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Mechanics of Materials

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  1. Mechanics of Materials Lecture 3 Chapter1 - Part 3

  2. Determine internal forces at all points between A and B, B and C & C and D. How?

  3. Cut at any point between A and B and then draw FBD.

  4. Cut at any point between B and C and then draw FBD.

  5. Cut at any point between C and D and then draw FBD. Question: Can we draw the internal force diagram?

  6. Internal Force Diagram (Axial Force Diagram or Normal Force Diagram)

  7. Question: What is the largest average normal stress in the bar?

  8. Shear Stress

  9. Single & Double Shear

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