Trukbed
Well-known member
Ok, what if the driver rubs a helium balloon on their head while they drive, and wears a type of hat that connects to the battery?Yes, spinning the fan takes energy, that has to come from somewhere. If you want to generate power from that spinning, that is just a motor in reverse so it adds to the resistance. 2nd law says you always get less out than you put in.
Can we at least agree on this one?
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