Across
- 4. total distance travelled divided by the time of travel
- 6. quantity describing both speed and direction
- 8. product of the force exerted on an object and the distance the object
- 10. when objects collide in the absence of external forces
Down
- 1. distance covered per amount of travel time
- 2. measure of how quickly work is done or the rate at which energy is changed from one form to another
- 3. produces changes in matter
- 5. the rate at which velocity changes with time
- 7. resistive force; always acts in a direction to oppose motion
- 9. inertia in motion defined as the product of mass and velocity
