I have no ideia as I'm considering the motor outside the vacuum, it would be just powering through cables to the vacuum. What could fail? I know that the energy should be PRESERVED, but the energy generated by the motion of the fan wouldn't be greater than the energy given by the engine? Just...
Hey guys!
I would like to know what would happen to a fan that is rotating inside a system without air. Imagine you take all the air off the system and after that you put the fan rotating. The only opposite force acting to make it stop would be the air resistance, but as no air, what would...