Forces So Far...

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Across
  1. 2. Forces come in equal and opposite ____.
  2. 5. The spring ____, given the letter k.
  3. 8. This describes a force between two solid surfaces.
  4. 9. The overall force is called the ____ force.
  5. 10. A scalar has just a ____.
  6. 13. Work done = force x ______.
  7. 15. The unit of mass.
  8. 16. This has a size and a direction.
  9. 17. Force diagrams are usually drawn to an accurate ____.
Down
  1. 1. The elastic ____ is the point where a material stops being elastic.
  2. 3. The extension of a spring is ______ to the force applied.
  3. 4. This force causes things to get hot.
  4. 6. The unit of weight.
  5. 7. Weight = mass x _____.
  6. 11. When you go beyond the elastic limit, the material is ____.
  7. 12. The force acting on an object due to gravity.
  8. 14. Work done is measured in these units.