Across

1. You endure this, but so do materials.
4. A state reached when the yield value is exceeded.
7. State of twisting
10. Abbreviation for mass
13. This geometric quantity can be computed for a beam in pure bending.
14. A rivet can be in this state of shear.
15. One of the simple shapes for materials, especially for torsional situations.
18. Metric system.
19. A state of stress for which the force is directed along the length of the member.
20. Customary units in this country.
21. Often used in Fortran for "not equal."
22. A common abbreviation for weight.
23. This part of the course is what we all look forward to.
24. Another name for the elastic modulus.
25. You may need one of these if the stress is too much for you.

Down

2. Often used for shearing stress.
3. Generally, the internal strain energies ___.
5. An older abbreviation for electrical charge.
6. A famous and useful geometric construct has this name.
8. We count this less important part of your anatomy to take attendance.
9. This stress is usually represented by the Greek letter sigma.
11. There's a lot of this, especially by the teacher.
12. A very important ratio relating strains.
13. What an engineer has to do before a structure can be used.
16. Usually used to connect structures, especially truss bridges.
17. At this point, the stress-strain curve ceases to be linear.