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