two example where friction is harmful for us
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our old shoes
when our shoes are old some friction acts on it
when our shoes are old some friction acts on it
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i) Machine parts get heated up due to friction and cause damage
ii) Soles of shoes and tyres wear off and reduces the friction between the road and our shoe or car which may cause accidents.
ii) Soles of shoes and tyres wear off and reduces the friction between the road and our shoe or car which may cause accidents.
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