Question

2. Why does a magnetic light when we strike it on a rough surface? ​

Answer 1

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$\green\implies$It is because rough surface contains more friction and because of more friction a lot of heat is also produced . Then the matchstick lights up. it is because rough surface contains more friction and because of more friction a lot of heat is also produced .

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Answer 2

Explanation:

it is because rough surface contains more friction and because of more friction a lot of heat is also produced . Then the matchstick lights up. it is because rough surface contains more friction and because of more friction a lot of heat is also produced .