Across
- 1. opposite of up
- 2. helps a wheel turn
- 3. to pick up something
- 4. the force that keeps us stuck to the ground
- 6. an inclined plane
- 8. the state of being stretched tight
- 11. to speed up an object
- 13. resistance
- 14. a circular object used to help propel objects
- 15. a wheel with a grooved rim around which a cord passes
- 17. is able to float
- 18. the opposite of pull
Down
- 1. to slow down an object traveling at speed
- 5. a measurement of forces
- 7. the opposite of pushing
- 9. can be attracted to most metals
- 10. the resistance that one surface or object encounters when moving over another
- 12. a rigid bar resting on a pivot
- 15. the study of forces
- 16. the weight and volume of an object