Results for: Perpetual-motion

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How is perpetual energy and motion impossible?

The idea of perpetual energy is that converting one energy source to another would have at least a 100% conversion rate. For example, say you have a machine that uses 50 watts (MORE)
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Can the Sun be considered as a perpetual motion machine?

No, the sun cannot be considered a perpetual motion machine. Scientists and astronomers have found other stars that used to be suns but have now lost the energy required to " (MORE)
In Science

Do perpetual motion machines exist?

Short answer: No. Thermodynamically, the entropy, or level of disorder, of a system must always increase for a physical system as it moves or changes. In practical terms, th (MORE)
In Science

Is perpetual motion possible?

Not according to the second law of thermodynamics. It is possible to create near perpetual motion by cooling some liquids to near absolute zero where they lose viscosity an (MORE)

Who invented perpetual motion?

  No one, it has not been achieved yet, infact achieving perpetual motion is a physical impossibility. Else we'd live in a golden age without the need of fossil fuels or n (MORE)

What is the answer to 20c plus 5 equals 5c plus 65?

20c + 5 = 5c + 65 Divide through by 5: 4c + 1 = c + 13 Subtract c from both sides: 3c + 1 = 13 Subtract 1 from both sides: 3c = 12 Divide both sides by 3: c = 4
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What is Perpetual Motion Machine first kind?

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 for (MORE)