Across
- 2. force exerted per unit
- 3. friction friction encountered by a spherical object rolling on a surface
- 4. force a force that acts only when it is in contact with the object
- 6. a force that slows down or prevents things from moving
- 7. frictional force that exerts on objects
Down
- 1. a method of minimizing friction
- 5. friction friction encountered by an object when it slides on a object
- 6. push and pulls