A big ship that shouldn't have appeared in the shipyard,
No one noticed it at first, but now Du Ruhui was shocked. After thinking hard...
But it suddenly came to mind.
This big ship just happened to appear in this shipyard.
Could it be...
Everyone had heard before, no, not even heard, but according to His Highness's description in the memorial, this big ship had clearly been launched.
So what is in this shipyard? Ghost...
Ghost ship?
Then could this martial assistant also be...
Du Ruhui looked around in horror, Ma De, could it be that His Majesty is also a ghost...
This large shipyard is full of doubts, and this moment is simply extremely strange.
Especially the old man who pulled the lumber was so surprised that everyone was looking at him and even smiled in his direction.
Laughing at you uncle, are you going to scare me, a little kitten, to death?
But at this time, Wu Meiniang, who had always been puzzled, seemed to see something, and couldn't help but smile, and then explained.
"Are some of the gentlemen surprised by this?"
"This pulley block is like this. The principle used in it is called the lever principle."
"Leverage original pear?"
Du Ruhui, Li Er and others were suddenly startled, but their spirits recovered——
These four words...although strange, they sound very His Highness's style.
This isn't a nightmare, we haven't seen a ghost either?
…
The ghost ship and ghost people scared Li Er and others to death, but at this time, although they were still confused, the situation was understood.
At least the words "leverage original pear" sound like what His Highness said, which means that at least this is not in a nightmare.
But speaking of it, it’s also quite scary.
What on earth is this "leveraged pear"? It's so awesome.
It's so cool - it can make a seventy-year-old man exert such great power. This thing...
Could it be some kind of elixir that doesn't work...
Li Er and others looked at each other, extremely curious about this "leverage pear".
This seems to be some kind of fruit or special wood.
Thinking of the scene of competition for rare hardwood in the auction house, Li Er and others naturally guessed in this direction.
But now is different from last night. It’s not an auction anyway, so if you have any questions, just ask them directly.
Li Er smiled and said, "Girl, may I ask what this lever pear is? This kind of wood..."
"Generally, where does it grow?"
Speaking of this, Li Er's heart was beating very fast.
Since this "leveraged pear" is so awesome, if it can be produced in large quantities, wouldn't Datang become invincible?
However, when he asked, Wu Meiniang was stunned.
What's going on...
"Old Li, this lever pear... is not an object, it is a scientific principle."
"Scientific round pear..."
Li Er was stunned again when he heard this, but he quickly remembered it.
Science, isn't this the "natural philosophy" Sheng'er talked about?
And what makes up this science is exactly the scientific principles!
Sheng'er has said personally that all the creations so far are based on scientific principles.
Although there was no magical fruit or wood as expected, Li Er felt refreshed this time.
Since it is a scientific principle, it can be imagined that it is of great value!
He immediately rubbed his hands with excitement and said with a smile, "In that case, I'll ask the girl for advice! Hahahahaha!"
Wu Meiniang felt a little relieved now. These friends of the young master like to be surprised too much.
Isn't it just a small scene like this? Why is there such a big reaction?
When I first saw these things with the young master, I didn't... uh...
Wu Meiniang secretly shook her head, put these thoughts aside, and then talked about this "scientific principle" in detail.
"The secret behind this 'leverage principle' is also called 'torque'. What about this torque..."
The principle of torque is, of course, the product of force and moment arm.
As for how to explain this force, it seems intuitive, but Wu Meiniang spent a lot of effort to explain it clearly.
The main obstacle actually focuses on the concept of weight.
Because when Li Sheng explained the magnitude of force to Wu Meiniang, he quoted the example of gravity. At the same time, he also used the example of gravity to explain how torque, a thing like force, can make an old man with little strength move an extremely heavy weight.
Heavy timber, for hanging.
So a long time passed...
Wu Meiniang said that she almost fainted, and Li Er and others nodded half-underlyingly.
"Uh...does Mr. Li understand the concept of force?"
Li Er, Wei Zheng and others looked at each other, then looked at Wu Meiniang, smiling awkwardly, "I understand, I understand... hahaha..."
Wu Meiniang finally smiled and nodded, wiping the cold sweat from her forehead.
Then, he looked at the wooden frame on one side.
"And this torque is the value multiplied by the force and the force arm. The magnitude of the force is different, and the point of action is different, but as long as the torque is the same, a balance can be achieved on the object, or a kind of dynamic balance..."
"... As for this pulley block, it is also a kind of lever, and its moment arm is a pulley, which is the radius of a circle... The big pulley and the small pulley are connected through the rope..."
"...such and such, such and such..."
"So in the end, it can be put into practical use. Take this elderly civilian husband as an example. Because he has little strength and is a little deaf and dazzled, but he heard that his family is very poor, so we arranged this relaxation for him.
Although the work seems to require a lot of strength, in fact, it only requires very little strength, just need to pull the rope more... If the wood is hung one foot, he needs to pull it one foot, and so on..."
"Although it still consumes a lot of physical energy in the end, the load on the body is much smaller!"
Wu Meiniang then explained again.
After saying that, I was sweating on my forehead. After all, I also listened to the master's explanation of the mysterious principle.
The young master is a scholar of heaven and man. It is a great blessing that he can understand this thing. At this time, he can actually relay it. Even Wu Meiniang feels very fulfilled in her heart.
but……
Just when she felt a sense of accomplishment...
On the other side, Li Er, Wei Zheng, Du Ruhui, Fang Xuanling... and others looked increasingly embarrassed.
Good guy...
I can understand every word of what Wu Meiniang says.
But when put together into a sentence, I was immediately confused...
What does this mean?…
Li Er, Wei Zheng, this group of emperors and ministers of the Tang Dynasty looked at each other directly at this moment.
Although they were secretly worried about being discovered, they still looked at each other secretly...
This is so embarrassing...
However, because of Wu Meiniang's explanation, Li Er was certain of one thing...