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Haven't you ever met a working mom?
Quote from: ThibeinnNature seems to have done it as motion is both universal and eternal. Absolutely nothing we know of in the Universe is in a state of absolute rest even for a single moment. An object may appear to be at rest in a certain frame of reference but when viewed from another, it is found to be in motion.Perpetual motion usually refers to what is known in physics as a perpetual motion machine. Please see details and clarification at newbielink:https://en.wikipedia.org/wiki/Perpetual_motion [nonactive] Physics has no problem with perpetual motion in the sense that the motion does not stop. Newton’s second law states that any body will continue in its state of motion or at rest unless acted upon by a force. However a perpetual motion machine is not a machine which is in perpetual motion (I know. That name is confusing, isn’t it?). A better name is free energy machine.Thermodynamics prohibits the existence of perpetual motion machines. So if someone actually created one that works then they’d have proven that one of the laws of thermodynamics is wrong. They’d then win the Nobel Prize which is about a million bucks if I recall correctly.
Nature seems to have done it as motion is both universal and eternal. Absolutely nothing we know of in the Universe is in a state of absolute rest even for a single moment. An object may appear to be at rest in a certain frame of reference but when viewed from another, it is found to be in motion.
Has anyone achieved a perpetual motion machine yet?
I was thinking along the line that if we could figure out and duplicate how Nature maintains perpetual motion then we may be able to figure out how to make a perpetual motion machine.
Earth's rotation is slowing slightly with time; thus, a day was shorter in the past. This is due to the tidal effects the Moon has on Earth's rotation. Atomic clocks show that a modern day is longer by about 1.7 milliseconds than a century ago
If you base your MACHINE off biology you can achieve perpetual motion.
The second law of thermodynamics states that the entropy of an isolated system never decreases, because isolated systems spontaneously evolve towards thermodynamic equilibrium—the state of maximum entropy. Equivalently, perpetual motion machines of the second kind are impossible.
No perpetual motion in nature : e.g. Earth's rotation is slowing ...
Ad infinitumNo matter what happens, motion never ceases in the Universe.
Matter will not exist for an infinite period of time ...