Across
- 1. the combination of all the forces
- 4. occurs when to solid surfaces slide over each other
- 9. an equal force acting on an object
- 10. the straight path an object can move along
- 11. the measurement used to measure force
- 12. the rate of change in position within a certain time
Down
- 2. when an object rolls across a surface
- 3. a push or pull
- 5. an unequal for acting on an objects
- 6. when an object moves through water
- 7. the force that two surfaces exert when rubbing against each other
- 8. friction friction that occurs on objects that are not moving