Across
- 2. when one force is stronger than the other forces on an object, they do affect the motion of an object.
- 3. a force resulting from two objects rubbing against each other
- 7. when two forces on an object cancel each other out, they do not affect the motion of the object
- 9. an object will not change its motion unless a force acts on it.
- 10. a force that pulled objects down towards the earth
Down
- 1. the speeding up of an object
- 4. when two objects interact, they apply forces to each other of equal magnitude and opposite direction
- 5. the force on an object is equal to its mass times its acceleration.
- 6. at the same speed & direction
- 8. a force caused by air, acting in the opposite direction of ( a )moving object(s)