Across
- 2. forces when two forces are unequal but in opposite directions
- 4. friction when two surfaces slide past each other
- 5. friction when an object travels though a fluid
- 8. resistance the force which acts on objects travelling though the air
- 9. friction when two surfaces roll against each other
- 11. the amount of matter in an object
Down
- 1. the unit of force
- 3. forces when two forces are equal is size but in opposite directions
- 5. the force which occurs when two objects rub against each other
- 6. force the force which prevents us from sinking
- 7. resistance the force which slows down objects travelling in water
- 10. universal force
