why would the siphoning effect not be perpetual motion?

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My coworker is telling me that perpetual motion exists and shows me a video of a guy using the siphoning effect on some water cans.

I’m telling him that perpetual motion, physically, cannot exist.

But why would it not work?

In: Physics

6 Answers

Anonymous 0 Comments

Because sooner or later the container you are siphoning from runs out, and then the siphon stops.

If you post a link to the video I can probably tell you why it is either fake or won’t work.

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