Across
- 3. in motion an object in motion will stay in motion unless acted upon by an unbalanced force
- 6. friction is the resistance of motion when one object rubs against another
- 7. Force when both opposite sides are equal in size
- 9. at rest an object at rest stays at rest unless acted upon it
Down
- 1. the rate of change of velocity
- 2. something that remains in motion or in a straight line unless acted upon
- 4. a push or pull on an object
- 5. Force when both opposites sides are different in size
- 8. force the sum of all the forces that act upon an object