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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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Physics is not something that can be learned on this, you have to like this course first, and then you have to put a lot of effort into it, as long as you like it, you feel very easy to learn it again, I was in junior high school physics was very good, classmates, if you want to learn a course well, you must first like it!
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Pay attention to the cultivation of physical thinking, and then think about what problems you will do, and if you deviate from the direction, you will find it more and more difficult.
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When the teacher is teaching a theory class, you should listen attentively, combine it with examples from life, use your imagination, and fully understand the theory explained by the teacher. At present, you must do it in advance, so that when the teacher explains, you must listen carefully, listen to the teacher's analysis method, reflect on what you thought at the time, make a summary, and believe that you can learn well.
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Do more questions, and you will understand by doing. It's going to be messy at first. When you understand every little knowledge point, all the knowledge will be strung together. This is my experience.
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I'm speechless for a talent like you, how can I learn to be a good person? All I know is that physics has to be accumulated.
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Judging from your phenomenon, it should be caused by a poor understanding of the basics. Can you describe the concepts you've learned in your own words? If you can, it means that you really understand, and it is not difficult to remember.
In terms of analyzing friction, many students have questions like you, and they feel that it is difficult to analyze correctly, and the reason is that they have not learned the force analysis well. When analyzing whether there is friction, you can use the hypothetical method: that is, assuming that friction does not exist, to see whether the motion state of the object is consistent with the conditions given in the title, if it is consistent, there is no friction between the objects, if it is inconsistent, it means that there is friction between the objects;
Momentum, just remember that momentum is the mass of the object multiplied by the mass, there are beginnings and ends, impulse refers to the cumulative effect of force on the object, equal to the force multiplied by the action time, they are linked by the momentum theorem. In addition, it is important to remember the conditions under which the law of conservation of momentum applies and the types of problems to be solved. Characteristics and solutions of collision problems, etc. You have to take a good look at the concepts and laws of this place, and if you really understand it, you will be able to do it.
Electricity includes a lot of parts, including electrostatics and constant current, but I feel that you should have a problem with the electrostatic part, and you can learn it as mechanics here; In addition, grasp the basic concepts and basic laws.
The above is a little bit of advice I have given you, I hope it can be useful.
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1.Physics learning is all about comprehension. Don't memorize concepts, ask a few more whys, and dig up things from each word.
2.For calculation questions, write out what you know first, think more when you write, and know what this problem can solve? When doing questions, start with the requirements.
I want to ask him what formula he should use, after writing the formula, look at the corresponding quantity to know what, I don't know if I can find it? If you can't find it, it's mostly because this method can't work. If there is any other formula for the quantity you are looking for, if so, you can think about it in the same way.
If it doesn't work, just think about what the required quantity is equal to, and find that equal amount in your thoughts.
3.It is very important to review the questions in the process of doing physics questions, and you can circle the keywords.
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When solving problems, you should be good at pondering, summarizing experience and problem solving methods, you can ask teachers or classmates more first, compare the correct solution with your own thinking, find out the shortcomings or thinking mistakes, summarize more lessons and lessons, and also refer to the detailed information of the test questions to learn problem-solving skills. I'm trying to do more questions, and I'll get it straightened out slowly.
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Read the questions carefully and be careful. You should concentrate your energy and not use it for two things.
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In fact, it's just doing the topic, and you do too little on the topic.
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