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Thinking, I used to be good at math, but not good at physics, now to summarize my experience, I can only say that I was ignorant at that time, and the bad thing is that I don't know what I am doing for a day? I have very little memory of my life in junior high school and high school now. One day a high school classmate asked me a lot why, and it was probably like this.
Do objects with different masses land at the same time? I was numb or unthinking, and I said nonsense, nonsense, and naturally landed on the ground first, and he asked me, why do you say that? I said I was going to the toilet and then I went to play basketball and went to bed at night and thought about it.
I can say that it changed me.
To this day, I still think that rhetorical questions are the best way to inspire thought**.
Always think about why this is the case, why not that? Don't go to the toilet if you can't think of it.
Personal humble opinion.
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Listen carefully in class, solve all the questions you don't understand after class, ask more questions and think more, usually do more exercises and accumulate mistakes, and just look at the wrong questions before the exam.
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You think more, you put yourself more in the physical situation, you think more about the common things around you, physics is about understanding.
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Remember the essence of high school physics.
Everything in one cross.
All high school physics calculations are where you draw a cross horizontally, and then put each force into the cross and analyze it, and you will find that it is very simple.
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You take a small notebook.
Use a pencil to write on questions you wouldn't have before.
Look at it 5 times at different times in the future.
Wipe it off after each time.
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It's okay to listen in class, but don't you just write more and practice more after class?
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Start with a book concept formula.
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The first thing to do is to figure out all the formulas, including units and adaptation ranges!
2. Have a clear understanding of the circuit diagram! It's nothing more than series and parallel! Know that the series voltage division is not divided, and the parallel shunt is not divided!
3. It will be a little difficult to understand when you first come into contact with electricity, but you can grasp the size of the resistance and think about it when you do the problem!
4. The important thing is to communicate with the teacher!
5. Think more when doing questions! If you are wrong in the answer, don't look at the explanation, think again, and find a convincing reason to prove yourself wrong and the answer is right! If you really don't understand, ask the teacher! Because it is not ruled out that the answer is wrong!
The difference between high school physics and junior high school physics is that there are many formulas used, a large scope of research, and often a lot of knowledge learned before, which is very related to mathematics! Force analysis is the most basic and important. Although high school is also divided into mechanics and electromagnetism, heat, etc., there is no clear boundary between them compared to junior high school.
Because force is throughout high school physics!
It's hard to learn well, I can provide you with some direction, in fact, perseverance will receive good results!
1.Learn force analysis well! This is a key point and a good foundation for high school physics. These include trigonometric functions.
2.The formula must be kept in mind! This means being able to understand the unit conversion, meaning and usage of each physical quantity, and so on!
3.Do more questions, this is a must-do step. Because the difference between high school physics and junior high school is that you often need 5 or 8 formulas to solve problems, doing the questions is conducive to your understanding of the formulas and a clear understanding of the relationship between various physical quantities!
4.Communicate more and build three-dimensional thinking. Communication is very common in learning, not only between classmates, but also with teachers! Establishing three-dimensional thinking is conducive to one's ability to imagine three-dimensional space.
5.It is necessary to understand the principles of various research objects in order to prescribe the right medicine!
As a person who has come over, I hope to help you!
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High School Physics Easy One B! Just understand the meaning of the formula! If you check the calculation, it depends on whether the units on both sides of the equation are the same!
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