Across
- 2. Force that opposes motion between two surfaces in contact
- 3. Forces that are equal and opposite resulting in no change in motion
- 5. Air pushing against a moving object
- 7. The variable you change in an experiment
- 8. The force that pulls objects toward Earths centre
- 10. The unit used to measure force
- 11. The variable you measure in an experiment
- 12. The upward force from a liquid or gas on an object
- 13. An object stays still or moves at constant speed unless acted on by this type of force
Down
- 1. When thrust is greater than resistance a balloon rocket will do this
- 2. A push or pull that acts on an object
- 4. Variables kept the same to make a test fair
- 6. A pushing force that moves an object forward like escaping air from a balloon
- 9. Force through a rope or string when pulled tight