Perpetual motion machines - 40 models in 4 years

40 models in 4 years http://veproject1.blogspot.ca/ Easy Jam by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/) 

FAQ

Are perpetual motion machines possible?

A perpetual motion machine is a hypothetical machine that can do work indefinitely without an energy source. This kind of machine is impossible, as it would violate the first or second law of thermodynamics.

Is the earth a perpetual motion machine?

Actually, what is impossible is a perpetuum mobile which is a machine or system that breaks the first or second law of thermodynamics. Planetary motions break none of those laws, therefore there is no contradiction with their "perpetual motion". The question of the end of Earth's orbit is a different one though.

Can we achieve perpetual motion?

Some people assert: "You can never achieve perpetual motion, for you can never get rid of friction." That dogmatic assertion is easily refuted. Look at the atom. The atom's electrons, if not disturbed, circulate around the nucleus forever without energy loss.

Source : Veproject 1

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