Concept map on chapter :Friction of std 8 ( > pls don't spam and pls fast whoever gives first i will mark them as brainliest >)
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A surface is rubbed to make it smoother. What effect will this have on friction? Give reasons. Answer: The friction force is basically due to the irregularities of .
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this both are same photo I just crop it into parts in second photo there are type and in first photo there is some information about friction
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