Gve two examples, where friction is helpful?
Why is it difficult to walk on a muddy road?
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2
Answer:
Explanation:
muddy road has less friction making it difficult to walk
friction is helpful in strong grip with ground eg. football shoes have studs to increase friction
alsocycle tyres have groves for increasing friction
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Answered by
1
Answer: In roads for vehicles to run and using ball bearing in machine parts.
Because there is no friction on muddy road.
Explanation:
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