Q:Why does a sheet of sandpaper become warm when you rub it against a wooden board?

Possible Answers: A. Heat in the air is transferred to the sandpaper, B. Matter in the sandpaper is converted into heat, C. The Chemical energy in the wood is converted to thermal energy, D. The mechanical energy of the moving sandpaper is converted to thermal energy

Question

Physics

Davion

24 October, 01:40

Q:Why does a sheet of sandpaper become warm when you rub it against a wooden board?

Possible Answers: A. Heat in the air is transferred to the sandpaper, B. Matter in the sandpaper is converted into heat, C. The Chemical energy in the wood is converted to thermal energy, D. The mechanical energy of the moving sandpaper is converted to thermal energy

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Answers (1)

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Koen Jacobson · Answer 1

D. The mechanical energy of the moving sandpaper is converted to thermal energy

Explanation:

The friction between wood and sandpaper moves quickly and can warm up ... the friction causing the heat.