Across
- 5. friction in which two are not moving past each other
- 7. speed at any given point in time
- 9. an object travels per unit of time
- 12. total distance divided by time
- 13. doesn't include direction
- 14. when two or more forces act on an object at the same time
- 17. anything thrown or shut through the air
- 18. occurs when an object changes position
- 19. gravitaional force exerted on an object
- 20. includes speed of an object and direction
Down
- 1. friction when an object moves through fluid
- 2. any two masses that exert attractive forces on each other
- 3. friction where two surfaces slide past one another
- 4. rate of change of velocity
- 6. friction the opposes motion of objects that moves through air
- 8. how far an object has traveled
- 10. speed that does not change
- 11. friction between a rolling object and surface it rolls on
- 15. a force that opposes the sliding motion
- 16. a push or pull applied to an object