Across
- 5. steady flow of a particle in a fluid past an object
- 6. a push or pull
- 9. opposition between surfaces that are stationary
- 12. is measured in infinity small time interval
- 13. opposite and unequal push or pull
- 18. the sum of all velocity vectors
- 19. change in velocity by same amount of time
- 20. sliding uncontrollably
Down
- 1. substances applied to surfaces to reduce friction
- 2. force that opposes motion between surfaces
- 3. a straight line in a particular direction
- 4. equal distance covered in equal amount of time
- 7. round object rolls over a flat surface
- 8. change in velocity divided by time
- 10. motion occurs when objects slide past each other
- 11. circular motion of velocity over time
- 14. opposition of motion in the air
- 15. total distance divided by total time
- 16. change in position relative to a reference point
- 17. total force acting on an object