Can you explain in the molecular level?
更新1:
Can you explain U (Internal Energy) = Q (Heat) + W (work done) in the case of 1 free falling 2 elastic spring 3 hammering What is positive and negative work done?
internal energy
2009-11-04 7:25 am
Why hammering can increase the internal energy of a object?
Can you explain in the molecular level?
Can you explain in the molecular level?
回答 (1)
2009-11-05 1:28 am
✔ 最佳答案
Hammering produces heat by friction. The heat is absorbed by the object and becomes the internal energy.
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