Chapter 41 What is the province of labor

The four of them came to the faucet, and Mizukawa received the water with his hands. However, half a day is not much. When he catches the water with the cup, the cup fills up quickly. He asked: We all know that it is more labor-saving to use a cup to catch water, so the question is what is the saving? You would say it's power. That's right, it's force. But what is the nature of force? That's right, it's energy. Shouldn't the energy consumed by objects being loaded by other objects be the same in any way? How do you think this problem should be explained?

Dueñas was the first to speak: the energy consumed naturally varies depending on the way.

Margarita immediately said: No. How can the same object be loaded by other objects with different energies? Think about it, if you put water into an object, won't the energy of the water decrease? Absolutely. When you fill it up, you are sure to cut it off from its original state and give it a new state. In the change of state, the energy of the water must be decreasing.

Dueñas immediately retorted that the conservation of energy applies to the universe as a whole, not to individual objects. It is true that when water is loaded into an object, the energy does not necessarily decrease. In the process of being loaded, the water does lose some of its energy. However, the gravity of the water also plays a role in providing the ability to speak. Since the gravity of water is created by water and the earth together, it does not belong only to water. The energy required is different due to the different physical properties of the objects filled with water.

Liuzifeng: Actually, physical properties contain energy. It's just that different physical properties correspond to different amounts of energy. Due to the various physical properties of the loaded object, the amount of energy required to fill the water varies. However, they all use the same amount of energy. However, energy is divided into long-term energy and short-term energy. The energy possessed by the shape is the long-term energy, while the energy possessed by the temperature is the short-term energy. So, what's the difference between them? Long-term energy can be used, but not consumed. That said, long-term energy can be reused. Conversely, short-term energy is consumed. And it can only be used once.

Why does filling a cup with water look less labor-saving? Because of the difference in long-term energy. Some objects need to put in more short-term energy to fill water, because it has less long-term energy. The cup has a special shape, which has more long-term energy than the hand.

Margarita immediately said: If there is long-term energy, isn't it a denial of the conservation of energy?

Liuzifeng said back and forth: Do you know about the atomic bomb? Theoretically, the atoms of any object can be used as raw materials for an atomic bomb. In other words, atoms have a lot of energy. Isn't that a bit counterintuitive? How much energy does an object containing atoms have, and how much energy does its atom have? So, we came to a conclusion. That is, the part is greater than the whole, and it tastes the same as Hilbert's paradox. So, is this really the case? Of course not. An object certainly has more energy than its atoms, which is not the case in life. Where does the energy of the object go? The answer is physics. To form the physical properties, the object consumes most of it. And much of that is long-term energy. One of the advantages of long-term energy is that it can be reused, but the disadvantage is that it cannot be extracted directly.

Mizukawa said: Today's controversy is very fierce, and there are great differences among the Yin people. However, this is meant to be discussed. I won't say anything else, today's discussion was a success. I hope that next time will be the same as today.

chao。