B. Choose the correct word to fill in the blank. 1. Friction acts at the point of (contact/rest). 2. Friction helps us to ... (light/put off) a matchstick. 3. Frictional force is always in the direction (similar/opposite) to that of a moving object. 4. The force between two surfaces in contact is called (friction/lubricant). 5. (Lubricant/Sand) is a substance that reduces friction by smoothening out the surfaces. (friction/lubrication) between our feet &&&& 6. We can walk because there is and ground.
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56 Is the correct answer
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57 is the answer i guess
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