Chapter 171
2022-09-26
Chapter 171 How can knowledge be measured by money?
Among the crowd, Qin Feng talked eloquently: “You think that static objects do not have such friction.？”
“Is not it? "Everyone asked questions together。
Qin Feng waved his fingers: "Wrong, very wrong.！
The stillness you see is just the result of friction and other forces canceling each other out.！
In fact, this power has always been there！”
“Still using the example just now, it is difficult to push a wine glass on rough ground because the friction coefficient causes it to suffer a lot of friction, which offsets your pushing force.！
However, as long as the pushing force you exert is greater than this friction, the cup can still be pushed！
I say this, can you understand?？”
Everyone was enlightened and suddenly enlightened: "So that's what happened.。”
Yuan Zhai naturally had more in mind than these people: "In other words, sometimes the wheel shape I choose cannot move heavy objects forward because the friction is too great.。
In this case, the wheel can still only select round objects to reduce friction. 。
But this will cause the original problem to arise again. When the car is traveling on relatively soft plains or mountains, the wheels will easily sink into the mud under heavy pressure.”
If you want to build a mobile city, various terrain factors must be taken into consideration.。
However, after some enlightenment, although the veteran understood the reason for the failure, he fell into an endless loop again.。
Everyone in Shen Gongfang hearing this, all bowed their heads in deep thought and fell into confusion.。
“There is no way to solve this problem. "After a long time, Qin Feng slowly spoke.。
Everyone suddenly looked up at him, and the elders also cast curious eyes.。
Qin Feng didn’t say much, but did a comparison test。
He led everyone to a tree planted with flowers, which was full of soil.。
He ordered people to find two stones of similar weight. One was flat on the bottom and the other was sharp on the bottom.。
Put two stones on the soil at the same time. The flat stone is stable, while the sharp stone below slowly sinks.。
The elders and others looked thoughtful. This phenomenon that used to be commonplace in the eyes of everyone has now become a little unusual.。
They have never thought carefully about the reasons behind some things that should happen in life.？
Qin Feng smiled and said: "Under the premise of the same weight, the smaller the force-bearing area, the greater the effect of force.。
Haven't you ever thought about it?？
Why do most weapons have spike-shaped heads instead of other shapes?？
Why should one side of a knife be polished to be extremely sharp, but when cutting things, people will not use the blunt side?？
Why can needles and threads pierce clothes easily, but palms cannot?？”
Looking at everyone's expressions of thinking and excitement, Qin Feng seriously said: "It all comes down to the effect of force. I call it pressure."。”
Then, Qin Feng explained the concept of pressure in high school physics textbooks.。
After everyone in Shen Gongfang heard this, they were stunned for a moment, then lowered their heads to think, and then suddenly became enlightened, and there was an endless stream of praises.。
“so that's how it is, so that's how it is ！”
“In the past, I only knew it, but I didn’t know why. Today, I benefited greatly from what Young Master Qin said.！”
“I suddenly had a brilliant idea. If the blunt side of the knife was forged into a sharp shape, wouldn't the lethality be greatly increased?？”
“Isn’t it the sword you’re talking about?？”
“.”
Everyone was still immersed in the joy of learning new knowledge. The elder suddenly shouted: "Quiet."！”
He looked up at Qin Feng, frowned and said: "The wheel will sink into the mud because it bears too much weight and the force-bearing area of the wheel is too small.。
So there are only two ideas to solve this problem, either reduce the weight or increase the stress area of the wheel.？”
Is the idea very clear? Qin Feng nodded with a smile: "Considering the skidding and rollover issues you mentioned, combined with the theory I mentioned, I can provide the veteran with a direction for improvement.。”
After finishing speaking, Qin Feng picked up a branch and carved it on the ground.。
Everyone gathered around, and the moment Qin Feng stopped writing, a car wheel situation that they had never seen before appeared before their eyes.。
“What kind of wheel is this? "Sounds of surprise kept coming and going.。
“How can such a wheel move? "Some people questioned。
The patterns on the ground are clearly crawler wheels.！
The elder looked at the crawler on the ground, his eyes widened. He seemed to have caught something in his mind, but he always felt that something was missing.。
Qin Feng listened to the questions from people around him and kept smiling without answering.。
The crawler type involves a lot of mechanical concepts and is not easy to explain.
“A mature craftsman, after knowing the principles, should learn to think for himself. "Qin Feng said nonsense and gave a universal answer.。
Shengongfang entire group hearing this, all of them narrowed their eyes slightly and nodded in approval. 。
The master leads us in. They still understand that cultivation is a personal matter.。
Even Yang He, who was standing aside, pretended to say with a smile: "That's right.。”
Lan Ningshuang was curious: "Did you understand what son-in-law said?？”
Of course he didn't understand Yang He chuckled: "Your perception of martial artists is still a little bit worse after all. Hundred Ghosts Daoist and Literature Saint Daoist fellow practitioners Divine Soul 。
This understanding ability is naturally similar.。”
Lan Ningshuang was speechless, Zhang Tiannan glanced sideways, his eyes full of doubts。
“How do you know this knowledge? "The elder asked the doubts in the minds of everyone present.。
Qin Feng glanced at everyone and said with a smile: "I once had a teacher who taught him a lot of knowledge.。
These are one of them。
Of course, what I benefited most from was that I understood a truth from the teacher。
Never be bound by ordinary rules, learn to break them. Only in this way can you discover a New World you have never seen before. ！”
Yes, the teacher’s name is high school physics, People’s Education Press.
The elder naturally heard Qin Feng's words. He stood up, looked at the other party, and asked: "What other knowledge is there?"？”
There is drama！
Qin Feng raised his eyebrows and blurted out: "Of course there are many, many！
Why do things fall to the ground instead of flying into the sky?？
Why are the swimming positions of fish in the water always slightly different from what we see?？
On rainy days, why do we see thunder first and then hear thunder?？
What are the principles behind these common things?！
Don't you want to know?？”
“think! "The crowd immediately shouted loudly。
They seemed to see the door to the New World slowly opening.。
“But I'm sorry, I can't tell you. After all, I promised the teacher that this knowledge cannot be easily passed on to others.。
Otherwise, it is breaking the rules。
Just now I talked about the mysteries of friction and pressure. In fact, it has gone a bit too far.。
I can't make another mistake again and again. "While speaking, Qin Feng glanced at the elder, who frowned tightly. 。
The rest of the Shen Gongfang entire group were so anxious that they scratched their heads and scratched their heads.。
This is just like in brotherl, the pretty girl is lying on the bed, the man has taken off his clothes, and is about to ride a horse, but the girl says that there is sunflower water.。
Can only look, can't touch.
Who can stand this?？
Huo Yuan asked: "Brother Qin, can't you be accommodating? We are willing to spend money！”
Qin Feng showed displeasure: "How can knowledge be measured with yellow and white things?"？！”
“this”
Just when everyone was at a loss what to do, the veteran who had been silent until now sighed: "Later, you can bring the materials for forging the sword."。
Also, these new things you mentioned.”
“Junior when the time comes, write it down and bring it with you! "Qin Feng said excitedly。
The entire group of Shen Gongfang was greatly surprised. The elders actually made an exception and forged the same weapon twice.！
And they looked towards Qin Feng again, with strange expressions on their faces: "Young Master Qin, can't this knowledge not be easily passed on to others?？”
Qin Feng's face turned red and he coughed dryly: "Don't pay attention to these insignificant details.”
(End of this chapter)
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