Across
- 3. inertia in motion
- 6. the state of a body which no net force acts
- 8. any quantity in physics that does not change
- 11. the rate that velocity changes
- 13. SI unit of power
- 14. change in momentum
- 16. motion of an obj. turning around an axis outside
- 18. when two values change in opposite directions
- 19. the product of force on an obj. and the distance it moved
Down
- 1. the spinning motion when an obj. rotates about an axis inside the obj.
- 2. kilometer
- 3. a device for changing the direction of a force
- 4. a body's resistance to its state of motion
- 5. any obj. that is only affected by gravity and moves through air and space
- 7. colliding objects generate heat and.or become distorted
- 9. a mutual action between objects
- 10. objects collide without external force
- 12. the percentage of the work input that is converted to work output
- 15. anything that flows
- 17. the force that resists relative motion