Directions:Fill in the blanks with the correct words to complete the paragraphs. (1) This is the force that opposes the motion There is friction between the (2) and the road. This friction that keeps the car from uncontrolled movement in any directions is (3) friction. The moving and (4) parts in a machine shows (5) Grease is used to cut down on the friction between parts and gears in a machine to maintain the good condition of the parts.