Across
- 2. speeding up or slowing down
- 3. force equals mass times acceleration
- 5. the resistance of change in motion, including changes in speed,direction,or state of rest
- 6. the sum of all forces acting upon an object
- 7. the unit of force
- 8. interaction between two surfaces that opposes motion
Down
- 1. when fnet is not equal to zero
- 4. the nature of the forces between two interacting objects