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In high school physics, I focus on the analysis of forces and physical processes, and practice more questions. Learn how to analyze the forces and physical processes given in the questions, and then use the formulas to make them easily.
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Those who do more questions are simply misguided!!
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First, the basic definition of the concept of the formula must be remembered, which is the foundation.
Second, the basic physical model should be remembered, such as the basic solution of circular motion.
Third, do more questions There are more types of questions, and the results will naturally come up.
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The key is to do more questions and apply them lively, and the most basic thing is formulas and confusing concepts.
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Understand thoroughly and ask questions.
Dare to question.
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We must learn to imagine and compose a multi-dimensional space, and we must learn to derive formulas, from simple to complex.
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1) Pre-class study. The day before class, take a look at the content that the teacher is going to talk about the next day, find out the difficult points, the teacher will listen carefully when he talks about the difficult points, when the teacher talks about the content that you thought you understood, if it is the same as what you originally understood, you will deepen the image, if the teacher talks differently from your original understanding, you can not only find your own problems, but also leave a deeper memory.
2) Keep up with the teacher's train of thought in class. You think what the teacher says, and you think as you listen. If you don't understand the questions, or you forget the math formulas and physical formulas and concepts used by the teacher, and you can't keep up with the teacher's train of thought, don't keep thinking about these questions, just write down the questions quickly, so as not to affect the following lectures.
Ask the teacher or discuss it with your classmates after class.
3) Review after class. Find out what problems the teacher talked about, which of these knowledge points are causal relationships, which are progressive relationships, and which are juxtaposition relationships. Do the example problems that the teacher has taught and the example problems that are in the book but not taught by the teacher.
That's why I chose these examples from so many questions because these questions are very important, and if you understand them, you may not really understand them.
4) Clarify the connotation. Of course, it is necessary to be clear about the physical quantities represented by the symbols in the formula, but it is also necessary to understand the concepts and the physical meaning of the formula. For example, acceleration is a physical quantity that represents the magnitude and direction of velocity (this is the physical meaning of acceleration), and the definition of acceleration is a way to express its physical meaning.
A physical quantity can have different definitions, for example, there are three definitions of magnetic induction intensity (only one is learned in high school), but the physical meaning is the same. Generally, the skills of physics problems are not as good as those of mathematics problems, and there are not as many things to remember in physics as in chemistry courses, but there are more difficult things to understand in physics than in these two courses, and it will be difficult to understand the connotation of physical concepts, physical laws, theorems and physical formulas. You can't learn physics without memorizing, but you can't learn it by rote memorization.
It is also necessary to clarify the scope of application of physical laws, the possible relationships between physical laws, and the problems to be paid attention to when using this formula to analyze and deal with problems. For example, f in the momentum theorem is the resultant external force. Another example is that there are generally three ways to solve mechanics problems:
Newton's laws of motion, the momentum theorem and the law of equilibrium of momentum, functional relations. In order to figure out which method to use in those situations, in addition to a deep understanding of the physical laws involved in different methods, it is also necessary to use three methods to solve the same problem, that is, multiple solutions to one problem.
5) Complete homework independently. It's normal that you can't solve some questions, so when you can't solve them, you can look at the textbooks and class notes, and if you don't know how to do it, you can ask your classmates and even take a look at your classmates' homework, and do it yourself, don't copy it. To do a question, you must really understand the question, especially the typical questions of different question types.
When solving problems, it is necessary to pay attention to the analysis of physical processes, establish images, and clarify ideas.
6) Do a good job of summarizing the unit and systematize the knowledge.
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Memorize the theorem and master the corresponding solution method for each part.
There is no best way to solve the problem, and what you can write down is the most suitable for you.
Identify your own way of solving problems and understanding solutions, and communicate and compare them with your classmates.
The same can be said for other disciplines.
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The most important thing is to understand, learn strength and movement, and everything can be solved in high school physics.
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Learning physics is very process-oriented, a process of cognition, understanding, and application.
1.Cognition: Use the things or phenomena around you or even some examples narrated by the teacher to help yourself fully understand it and become interested in it.
2.Comprehension: Use understanding to memorize formulas, theorems, experiments, etc. It can be understood and memorized in clever ways such as visual thinking. For example, what is a vacuum can be understood in this way: a vacuum is really empty, there is nothing.
3.Application: One is to cope with the exam, and the other is to explain some physical phenomena around you.
So, when studying, first of all, don't be afraid, because your previous experience of not learning well may suggest something to you, which may lead to a vicious cycle for you. Try to tell yourself, "I can do it!! In fact, psychological suggestion is very useful!
However, in order to increase your confidence, it is best to do a good job of pre-study and be aware of it.
Secondly, you should follow the teacher's train of thought in class, take some notes appropriately, and write down some knowledge points that are not clearly stated in the book or even omitted and are easy to make mistakes. Take time out of class to practice more, don't prevaricate for any reason, thus giving up the best time to practice, which can only lead to tragedy in the end.
Last but not least, you must make sure to make a timely summary. For example, the paper of the last exam has been sent down, and although it has been carefully corrected, you still have to think about why it was wrong. How is the correct answer calculated?
Will it be wrong if I get it again next time? Wait a minute.
I think that through these study methods, I will definitely be able to learn physics well.
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First of all, if you are afraid or averse to physics, rule out any previous feelings you have about physics!
First of all, physics is interesting, he is the cutting-edge science of natural science! From studying physics to understand some of the basic reasons for various phenomena in the world, think about how interesting it is to understand phenomena when you used to only understand them by feeling, but now you can scientifically explain their outline
Then, most importantly, is the concept of physical quantities. What is its basic definition and why it is so defined, the definition of physics in middle school is generally easier to understand, such as the ratio of a physical quantity to another physical quantity, comparing another physical quantity, but this physical quantity is to describe the properties of a substance, so it is not related to the first two physical quantities. ......Wait, stay interested in physics, don't care about grades, think more Even if you ask the teacher some weird questions and get told by the teacher, but this is what you think.
Topics, first of all, don't be in a hurry, choose some basic, lay down those definitions and basic content, and then slowly go deeper. Buy a book with explanations, preferably like a textbook, first explain the knowledge of this chapter, then come to the example questions, and then come to the test questions. To be honest, the current school textbooks are really bad.
Also, keep a good habit of preparing. Look at what you want to learn in advance, and you can know what problems you need to solve.
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The physics teacher told me that I should listen to the teacher's arrangement, do more hands, do more experiments and think more.
Don't cheat, it's useless to cheat.
Do more questions and memorize more.
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interest, if you are not interested. Ok, let's die.
However, if you want to get a high score, forget about your aversion to physics and work hard.
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First memorize the formula, then remember the applicability of the formula, and it is best to write down the experiments related to the formula so that you have an intuitive understanding of the formula. And then there's disintegration. That's it.
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Read more popular science books – for example, the universe in the nuclear – and develop an interest.
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