Across
- 2. - a force that squeezes or presses something together
- 6. - a force that twists
- 8. truss used by barn roofs
- 10. Ratio of the length in a drawing to the length of the real thing
- 12. a framework, typically consisting of rafters, posts, and struts, supporting a roof, bridge, or other structure.
- 13. 3D drawing
- 15. a long, sturdy piece of squared timber or metal spanning an opening or part of a building, usually to support the roof or floor above
- 16. - a force that stretches apart to expand or lengthen
- 18. a rod or bar forming part of a framework and designed to resist compression
Down
- 1. truss with right side up pyramid
- 3. the practice of designing products, systems or processes to take proper account of the interaction between them and the people that use them.
- 4. - a force that pushes in opposite directions
- 5. 2D drawing
- 7. Centre of <Blank> A point from which the weight of a body or system may be considered to act. In uniform gravity it is the same as the center of mass
- 9. The <Blank> of a force is its 'size' or 'strength', regardless of the direction in which it acts
- 11. truss that has equilateral triangles
- 14. a structure carrying a road, path, railroad, or canal across a river, ravine, road, railroad, or other obstacle
- 16. Number of degrees the first angle in a isometric drawing
- 17. truss that has upside down pyramid