Across
- 4. a push or pull of an object.
- 5. an action force to help move an object.
- 6. resistance caused by two objects rubbing against each other.
- 7. two forces unequal in size acting in opposite directions.
- 8. force that opposes another force.
- 10. force attracting a body to the center of the earth.
Down
- 1. two equal forces acting in the same direction.
- 2. rate of change of position of in some time.
- 3. when an object is moving at a constant rate of speed.
- 9. the straight path an object moves along.