Why is perpetual motion impossible?

Introduction Why can't the perpetual motion machine be made? Because the flow of water is affected by gravity and impacts the impeller below, causing the impeller to rotate, thereby generating mechanical energy and driving the water pump (equivalent to a water pump),

Why is perpetual motion impossible?

Since the water flow is affected by gravity, it impacts the impeller below, causing the impeller to rotate, thereby generating mechanical energy to drive the water pump (equivalent to a water pump). water) and pump the water flowing below upwards. (i.e. the pour point of water) again to achieve perpetual motion, no external energy is required while the process is in progress. (You only need to give external power when the machine is running) Satisfactory answer Dongzai Dongfang Level 3 2010-09-18 It seems feasible, but it is impossible to achieve in reality! Because the gravitational potential energy of water flowing from a height cannot be completely converted into kinetic energy, because the friction between the water and the pipe will consume part of the energy in the same way, when the generator works, because of the internal energy. The wires have aresistance, this will generate heat, which in turn consumes some of the energy, so perpetual motion is impossible! Comments from ☆Handsome★_べo: Very... 2010-09-18 Other answers (3) Future, for whom Level 7 2010-09-18 There is no perpetual motion machine in the world, because it does not obey the law of conservation of energy! Follow-up question: If it's just these two sentences, I won't ask the question. MrCat Level 5 2010-09-18 When water falls and hits the turbine, the gravitational potential energy of the water is first. converted into the kinetic energy of water, and then converted into the power of the impeller, the water is pumped, but the incomplete conversion of the kinetic energy of water is ignored. There are factors such as shaft friction, water pipe. friction, etc. 1 Core persistence level 9 2010-09-18 The energy generated by the water flow and the water flow The energy on them is equal. But your macshines need to consume some of the energy, and the input is less than the output, so this cannot be achieved. Although some current electric vehicles can charge, this is only a supplement to the energy they use using natural energy. This is not the true meaning of perpetual motion

Please embrace it.

I saw a kind of generator on the Internet today called an air power generator. It consumes one kilowatt hour of electricity and can generate 30 kilowatt hours of electricity. Wouldn’t that be a perpetual motion machine? true or false? Read

The components required: the turbine, the pump (both are connected to achieve the transfer of energy), the water and the conduit. Build a water turbine so that water from above flows down through a conduit. Since the water flow is affected by gravity, it impacts the turbine below, causing the turbine to rotate,thereby generating mechanical energy to drive the water pump (equivalent to a water pump) and pump the water flowing below upwards (i.e., the pour point of the water) to obtain perpetual motion. It is no longer necessary to give external energy during the process. (You only need to give external power when the machine is running) Satisfactory answer Dongzai Dongfang Level 3 2010-09-18 It seems feasible, but it is impossible to achieve in reality! Because the gravitational potential energy of water flowing from a height cannot be completely converted into kinetic energy, because the friction between the water and the pipe will consume part of the energy in the same way, when the generator works, because of the internal energy. The wires have resistance, this will generate heat, which in turn consumes some of the energy, so perpetual motion is impossible! Commentes of ☆Handsome★_べo: Very... 2010-09-18 Other answers (3) Future, for whom Level 7 2010-09-18 There is no perpetual motion machine in the world, because it does not obey the law of conservation of energy! Additional question: IfIf these two sentences are enough, I won't ask MrCat Level 5 2010-09-18 Water cannot inflate When water falls and hits the turbine, the gravitational potential energy of the water is first converted into kinetic energy. Water, then into the turbine. The power is used to pump water, but it ignores the incomplete conversion of water kinetic energy, rotating shaft friction, water pipe friction and other factors. 1 Core persistence level 9 2010-09-18 The energy generated by the water flow and the energy generated by the water flow are equal. But your machines have to consume some of the energy, and the input is less than the output, so this can't be achieved. BAlthough some current electric vehicles can charge, this is only a supplement to the energy they use using natural energy. This is not a true method of perpetual motion.

Using atmospheric pressure to produce electricity.

There are currently two technologies claiming to be "air energy" in society: one is pseudo-scientific and misleading, and the other is real science and can save money. 'energy.

The first actually uses compressed air to do its job. Originally, it is simply a way of storing energy, because energy must first be consumed to compress the air, and then the work output may actually be less than this. which was previously consumed. But the propagandists falsely claimed that they could "get energy from the air" to produce more work (so they claimed it was“air energy”). This type of propaganda is a “perpetual motion” scam, similar to the previous “water to oil” scam. Such as Xiangtian's "Aerial Power Core Energy", Beijing Huada Brothers Company's Kangbu Aerial Power Generator, etc.

The latter (called air energy heating) is not used to carry out work, but only to provide heat. It uses the principle of a heat pump to consume energy (electricity) and at the same time extract part of the heat from the ambient air and transmit it to users who need heat along with the heat that she consumes. This technology significantly reduces energy waste compared to the old method of simply "burning electricity to generate heat" and has energy saving significance.

However, this technology cannot reduce thewaste than older technologies when it provides heat, and cannot extract energy from the air that can be used to do work. This is determined by the second law of thermodynamics.

Therefore, although the latter is a real technology, there are also flaws in the promotion, that is, the formulation of "air energy" can easily lead to misunderstandings. It is difficult to understand that the laws of thermodynamics have. was overthrown and perpetual motion machines appeared, so they are used by scammers of the first type use it as "proof" to promote pseudoscience.

Refer to the message from “Air Energy”: “The so-called “Xiangtian Air Energy” is a pseudo-scientific scam. It has nothing to do with the air heating technology in this bar."

I think it's feasible. External force, he said, can actuallybe compensated by atmospheric pressure and gravity. I have also thought about this problem. , However, this cannot be practiced for certain reasons. My idea is to first fill the rubber pipe with water to seal it, then support it externally to shape it into an inverted U-shaped pipe. The water inlet extends below the water surface and. the water outlet spirals down above the water surface. Principle: Water will flow from the highest point to both sides under the action of gravity. At this time, a vacuum zone appears and the water can be expelled through the air. Since the water outlet speed starts slowly, a water pump is required to place the water quilt. Press back and you can stop pumping when the water at the water inlet is pressed up 'at the highest point. At that time, due to the influence of gravity acceleration, the speed of the new water flow will be sgreater than the original speed of the water. the pipe, resulting in high flow speed from the water source to the water outlet, and the water may not yet be pumped. If she is rejected, she has been expelled. In this way, the vacuum zone has been formed, and thus a theoretical water flow device is formed, that is, the water flow is continuously driven by the air pressure . (The imagination comes from squeezing the water bottle and then opening the bottle cap to see the air do its work.)

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