Across
- 2. force that resists relative motion between two surfaces in contact.
- 4. the change in position of an object
- 9. action and reaction forces
- 10. its magnitude and by the direction in which it acts.
- 11. the oppose force that would cause change
- 13. a quantity that has both magnitude and direction
- 14. change in the amount of momentum
- 15. the measure of the amount of matter in a body.
Down
- 1. object projected by external force
- 3. pushing and pulling forces actually on one object
- 5. quantities that are described only by a magnitude
- 6. The rate of change of position of an object in any direction
- 7. force which pulls an object toward the ground
- 8. is the mass in motion
- 12. the rate of change of velocity