Across
- 3. forces
- 6. forces acting on the same object that are equal in strength and opposite in direction
- 7. of motion
- 8. forces acting on the same object that are not equal in strength and opposite in direction
- 9. force
Down
- 1. pairs
- 2. action force and its corresponding reaction force, as described by Newton’s third law
- 4. forces
- 5. third
- 8. combination of all the forces acting on an object