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Conversion device

  1. Apr 18, 2008 #1
    Is there any specific device to convert mechanical energy to heat energy?
     
  2. jcsd
  3. Apr 18, 2008 #2

    berkeman

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    Staff: Mentor

    What are some devices that come to mind for you? How much energy are we talking about?

    Is this for homework, BTW? If so, I can move the thread to the Homework Help forums.
     
  4. Apr 18, 2008 #3
    A brake.
     
  5. Apr 18, 2008 #4
    if someone slaps somebody on the cheek with his hand, the hand will be stopped (= loose its mechanical energy) and the cheek will warm up a little (= gain heat energy)

    try it yourself one day (you might have to repeat it a few times to raise the cheeks temperrature by a measurable amount, so make sure the person you slap knows that it is done in the name of science).
     
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