Question

give examples to show that friction is both a friend and foe​

Answer 1

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Friction can be both friend and foe. FRIEND: 1 It helps in construction of buildings. 2 It helps in walking on the ground. FOE: 1 soles of shoe and tyres of vehicles wear out due to friction. 2 friction can also produce heat. so it can damage the machines.

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Answer 2

Answer:

friction is a friend because it helps in walking. If friction is not there, there would be no opposing force and we could slip. On the other hand friction is a foe because it result in wastage of energy because we are applying force but friction is opposing that force ...

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