Lakhmir Singh & Manjit Kaur - Science

Book: Lakhmir Singh & Manjit Kaur - Science

Chapter: 12. Friction

Subject: Physics - Class 8th

Q. No. 45 of Short Answer Type Questions

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Why does a matchstick light when we strike it on a rough surface ?

When a matchstick is rubbed on a rough surface, the surface produces friction. And we know friction produces heat, therefore the matchstick lightens up.

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