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Ok, I'm not going to get drawn into that debate. So long as we're clear that it isn't a perpetual motion machine (as that is impossible), then fine

No it doesn't have any energy any more than a bit of wood does or a two-pound bag of sugar. It can of course be converted into energy but that isn't the same thing.

Well you did say 'Perpetual Motion' and then added a question mark, thus inviting a debate. Of course there is no debate. It's not a perpetual motion machine. A perpetual motion machine is a closed system and at the very least nothing is making up the friction energy lost by the ball as it...