Its a machine that has to be started but doesn't need to be restarted.
Because perpetual motion can not happen
Perpetual Motion Machine - song - was created on 2009-07-17.
A perpetual motion machine of the first kind it what we usually mean by a perpetual motion machine. A device which once started will continue to run and do useful work forever without the need to add energy to keep it going. The laws of physics make such a device impossible.
No
The cast of Perpetual Motion Machine - 1973 includes: Kristin Coppola as Cinders
No one, and no one ever will, since perpetual motion machines are a scientific impossibility.
you win
Perpetual Motion Machine.
There is no answer to your question because a perpetual motion machine is impossible. If one could be built, its own motion would be considered work.
it depends on what you use to build it
Perpetual Motion Machine
Perpetual motion machines are theoretical only. No one has actually invented one. A perpetual motion machine would have to be able to provide its own source of energy to continue operating.