Across
- 5. Nothing done
- 6. Vector sum of force acting on a particle or body
- 7. Something done
- 9. Two forces acting in opposite directions on an object
- 10. Strength
Down
- 1. force Force that changes the position, speed, or direction
- 2. Rubbing
- 3. Speeding up
- 4. Inactivity
- 8. Sir Isaac