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After eating a big hamburger, Christine also found out about Chengguo's physical condition through system scanning, so she nodded and said, "Let's go, my sister will take you to school."

When Cheng Guo was on the road with her, she corrected her again: "Kristin, from now on you will be called Cheng Siding, or your nickname is Ding Ding."

"It's fine." Christine said without objection.

Anyway, the name is just a title to her, as long as Chengguo is happy, it doesn't matter what it is called.

When the two were on the road, Cheng Guo was about to take out her mobile phone to call for a taxi, but Christine said, "My sister has already ordered a taxi."

After the words fell, a car drove over. After confirming the license plate number, Christine smiled and said, "Let's get in the car."

Cheng Guo was a little surprised, she didn't expect Christine to be so efficient.

The question is - how did she place the order?
After getting into the car, Cheng Guo asked, "Sister Ding Ding, do you have money to pay?"

"This..." Christine explained: "Guoguo, I connected the system to your mobile phone and ordered the car, so the final payment and deduction will still come from your mobile phone."

Chengguo did not expect such an operation. Just like a hacker, she immediately opened her mobile app to call a car, and found that it showed that she had received the order and boarded the car. The whole journey was about 18 yuan.

Putting away the phone, Chengguo asked the system again: "Does Christine also have the ability to hack into the bank?"

"For now, we don't have this ability, so we can only unlock the host's phone." The system replied: "Only after upgrading, will this function be further unlocked."

Only then did Cheng Guo feel relieved and said, "My money doesn't matter, as long as Christine doesn't do anything that breaks the law."

In fact, Chengguo's worries are unnecessary, the system will perfectly make changes to Christine according to the laws of this world.

Moreover, Christine would not use Chengguo's money privately, only spending some when necessary, just like at this moment.

Chengguo also considered a problem. When she was taking a taxi to school, she entered the shopping network and bought a brand new mobile phone for Christine, making her look like a normal person.

After placing the order, Christine said, "Guoguo, I have the ability to communicate. You only need to dial this shortcut key to call me."

Because none of the topics were too sensitive, the driver didn't react too much.

In his opinion, Cheng Guo and Christine were just discussing some esoteric words, and they didn't pay much attention to them.

Cheng Guo nodded, knowing that the communication record was installed in Christine's body, but the phone still needs to be bought.

Then, Cheng Guo asked: "After we go to school later, you can take this card to get some money and put it on your body, so it can also be used in emergencies."

"Thank you Guoguo." Christine smiled sweetly and nodded.

Chengguo feels that Christine is full of the breath of human life, including micro-expressions are so real.

After the two exchanged some common sense, Cheng Guo also arrived at the school.

At this time, there were still 10 minutes before class, and Chengguo said goodbye to Christine.

Christine also went to the ATM to withdraw money according to Chengguo's instructions.

Withdrew 1 yuan in cash and put it on her body, and then sent a message to Chengguo: "Sister, go to the supermarket to buy some ingredients, and make delicious food for you tonight."

Cheng Guo finally arrived at the class before two o'clock, and instantly became the focus of the audience.

However, after taking his seat, Xu Jiaxing whispered to Chengguo one minute before class began: "Guoguo, the girls from other classes came to trouble you just now. They looked aggressive and clamored to block you after class."

When Cheng Guo heard it, she probably knew what was going on.

In her previous life, she often read the news and knew about campus bullying incidents, but she never thought it would happen to her now.

But she didn't take it seriously, looked at the nervous Xu Jiaxing and said with a smile: "It's okay, they're here, anyway, I'm not afraid of them."

"Guoguo, if they really bully you, I will definitely stand by your side." Xu Jiaxing looked firm, although there was still some fear in his eyes, he still mustered up his courage and said, "The worst thing is, I'll tell the teacher!"

With this heart, Chengguo was very moved.

Smiling slightly, revealing two rows of small white teeth, Cheng Guo smiled and said: "Xing Xing, don't worry, we'll be fine."

Jingle Bell……

The bell for class also rang.

Cheng Guo immediately took out her mobile phone and sent Christine a text message: "Pick me up after class, maybe I'm going to be bullied!"

Less than a few seconds after the message was sent, Christine replied: "Who is going to bully my Guoguo? See if I can't kill himε=恐ε=您ε=悲ε=(o｀ω′)ノ!!"

Cheng Guo didn't reply again, because the physics teacher came in.

Everyone also sat up in a panic, and the squad leader shouted at this time: "Stand up!"

"Hello teacher!"

Such a familiar classroom operation, Chengguo naturally had a lot of memories, stood up with everyone, and shouted.

The physics teacher is a kind old man, he smiled and said to everyone: "Hi students, please sit down!"

After everyone was seated, the physics teacher began to open the book and said: "Students, open page 105 of your book. I left this question for you last week. Now I want to ask you to come up and answer it."

The students didn't expect to have to do the questions as soon as the class started. Those students who just cared about playing and didn't attend the class got nervous, for fear that the teacher would call their names.

With a smile on his face, the physics teacher scanned the audience, and finally fixed his gaze on Cheng Guo.

Cheng Guo wanted to dodge, but unexpectedly, the physics teacher was attracted by her cute appearance, and said: "Then invite Cheng Guo, the cutest classmate in our class, to come up and answer the questions?"

"it is good!"

All the students shouted in unison, as if they were booing, and Cheng Guo had to stand up.

"Let's applaud for encouragement, shall we?" The physics teacher mobilized the atmosphere of the students in the class and applauded first.

Immediately, applause rang out enthusiastically, like a welcome ceremony, which made Chengguo a little embarrassed.

Those male students who haven't seen Chengguo enough can now openly look at Chengguo's petite and cute appearance standing on the blackboard.

Chengguo went up to the podium table with the book, and the physics teacher handed her the marker pen, then her eyes were soft, like looking at her granddaughter, and she said dotingly: "Little Candy, let the teacher see how well you understand this question." How to understand."

"Okay." Cheng Guo nodded, and then Xiaonen grabbed the book, looked at the questions on page 105, and began to solve the questions with a marker on the blackboard.

The topic is: According to the industry standard of my country's automobile industry, the pressure of the tires of trucks on the ground should be controlled within 700kPa. On the expressway, there are also some drivers who, in order to reduce operating costs, willfully overload and bring great harm . There is a 2000-wheel vehicle with a dead weight of 6kg, and 10t of cargo is loaded in an actual operation. If the contact area between each wheel of the vehicle and the ground is 0.02㎡.

(1) How much pressure does the car exert on the road during actual operation? Does it exceed the industry standard?
(2) Please use the physical knowledge you have learned to analyze what kind of harm this overloaded car will bring (just give an example)
……