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| Friction is the force that opposes the sliding motion of two surfaces.... | |
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| hey sis, i was wondering, what's friction? | |
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| that ae touching eachother.The amount of friciton between two surfaces depend on two......hey HEY ! | |
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| you fell asleep on me....do you now know what friction is? | |
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| huh..OH umm..yeah..sure...remind me to NEVER ask you nothing again! | |
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