it is impossible to get a perfect machine in a practical life ,why?
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A machine whose efficiency is 100% is practically impossible to make as a 100% efficient machine has 0 mass and has 0 friction between its parts, which is impossible to achieve.
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A machine whose efficiency is 100% is practically impossible to make as a 100% efficient machine has 0 mass and has 0 friction between its parts, which is impossible to achieve.
hopefully its helped u dear :)
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