Structures

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Across
  1. 2. Measure of how concentrated a force is on a material.
  2. 3. Breaking, snapping,crumbling of a material.
  3. 5. Frame of a skyscraper.
  4. 6. of the wall above it.
  5. 8. Forces do not cancel each other completely; an overall force exists, causing a change.
  6. 10. Lightweight structure made from triangles, commonly used in bridges.
  7. 12. All forces cancel each other out, zero overall force; no change will result.
  8. 13. Thinning of a material just before it snaps.
Down
  1. 1. Forces attempting to squash a material.
  2. 3. Push, pull or twist; unit N.
  3. 4. Lift, used to go up and down a skyscraper.
  4. 7. Forces attempting to stretch a material.
  5. 9. Lintel, used over windows and doors to hold up the
  6. 11. Gravitational force on a mass; unit, N.