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