Could there's a perpetual motion machine in space?

most well-known machine, perpetual motion in the item: Leul question : Can a perpetual motion machine in space exist The reason for perpetual motion machines do not perform, simply because the friction removes a portion of the force and eventually the machine stops. Now, had been we when a train in space and magnetic in a way that it does not take to get to fly away, in no way to quit the train's brakes had been applied? The train does not influence the track, and he floats on it due to the

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