2. Name the constraint and type of deformation

3. Pushing a button

4. Trapeze artist

5. Violent storm destroys trees

6. Tacoma Narrows Bridge, 1940

7. Montreal Olympic Stadium Roof, 1999

8. Jumping on inflatable surface

9. Bungee jumping

10. Crushing a can

11. Ice cream bending spoon

12. Mechanical Properties
Which object would be better for a tug of war?

13. Mechanical Properties
Hardness This is a material’s ability to resist denting and scratching.

14. Mechanical Properties
Ductility The ability of an object to stretch without breaking.

15. Mechanical Properties
Elasticity The ability of an object to return to its original shape.

16. Mechanical Properties
Malleability The ability of a material to be flattened or bent without breaking.

17. Mechanical Properties
Resilience A material’s ability to resist shock without breaking.

18. Mechanical Properties
Stiffness A material’s ability to maintain its shape.

19. Mechanical Properties
Tensile Strength A material’s ability to resist tension without breaking or deforming.

20. Some additional properties to think about:
Resistance to corrosion: This means the material will not rust in the presence of fumes, water, salt, etc.
Electrical conductivity: This means electrons can flow through it
Thermal conductivity: Does it conduct heat?