Question

when the culting edgs of knife
is put against a fast rotating
stone to Sharpe it sparks are
seen to fly Explain the reason ​

Answer 1

Answer:

Friction between grinding Stone and cutting edge of the knife produces heat. As the friction is very large in this case, the large amount of heat is produces and we Sparks flying

Explanation:

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Answer 2

Answer: Friction between grinding stone and the cutting edge of the knife produces heat. As the friction is very large in this case, a large amount of heat is produced and we see sparks flying