Complete guide to learn physics from scratch 2020

January 21, 2020
How can I start learning physics from zero?

    
How can I start learning physics from zero?


how to start learning physics from scratch:


    Don’t. You seem to have concluded that it would be cool to know physics or uncool to not know about it. Please reconsider. There are many things to know about. You don’t need to know everything. I would like to know about so many things. For some i will find the time, for some i will probably never find the time and the joy, which is even more important.

     So if you want to follow my advice, ask yourself what is the thing which you would enjoy about knowing about physics? How would you feel? Do you want to feel like this, does it feel good? Does it create a positive force which brings you to action?

Yes? Ok then i assumed wrong, sorry. You will find something which interests you and you will start reading endless Wikipedia articles, calculating exercises yourself, reading books, seeing YouTube lectures.


No? Ok, then May I ask you to focus on the feeling which actually started your idea of having to learn about physics. How do you feel not knowing about it? Is the thought attached to the feeling true? Are you unworthy, unintelligent etc just because you dont know?

What makes you a worthy person in your eyes? What do you require from yourself for your own love? Is this a healthy way to treat yourself? Would you treat your friends, partner, kids like that? Is your love for yourself dependent on your knowledge, skills, etc? Why? Can you imagine it being different? How would that feel?


learn Physics  from scratch 2020 free


Forget about one day. You cannot “learn Physics” in one lifetime, period. The more Physics you learn, in fact, the more Physics you understand that you don't know.


If that didn't make sense, consider the following analogy. Imagine that your knowledge is a circle. As you add knowledge to the circle, it grows in size. However the boundary of the circle, which represents uncertainty, also grows. There is a saying that goes: “The larger the island of knowledge, the longer the shoreline of uncertainty.”

For every question you answer, you end up asking two more. Maybe you can answer those two questions as well, or find the answers in a book somewhere, but now you have four questions. It never ends.


The foundation of Physics is generally considered to be Newtonian mechanics. If you learn Calculus and study Newtonian mechanics diligently for about two or three years, then you might be roughly caught up with where Physics was about 300 years ago. That represents centuries of knowledge, which is an astonishing achievement, but you've only scratched the surface.


  guide to learning physics for beginners in 2020


After another four or five years of diligent study, including courses in differential equations and vector calculus, you might be able to acquire a reasonably thorough understanding of so-called “Classical Physics” which includes electricity and magnetism, thermodynamics and statistical mechanics, wave mechanics, and the Lagrangian and Hamiltonian formalism. There's plenty of stuff I'm not even mentioning, but now you might be roughly caught up to 1905 or so.

With those building blocks in place, you might now begin to grasp Modern Physics, which begins with special relativity and quantum mechanics, and continues with general relativity, particle physics, quantum electrodynamics, renormalization theory, quantum field theory, astrophysics and cosmology, the standard model, Grand unified theories, string theory, and dozens of other topics where you need a Ph.D. in any particular one of them to claim that you even begin to understand it. Not to mention all the advanced mathematics you'll need to learn in order to understand the language these theories are written in.

You will never learn all of Modern Physics, not even if you devote every day of the rest of your life to that solitary goal. But just maybe, someday, you might be able to learn enough of it to make a new contribution by answering some question no one else has answered, and push out the shoreline of uncertainty just a bit further.


how to start learning physics from scratch 2020?

Complete guide to learn physics from scratch 2020



you want to learn physics in 2020 You will need to learn concepts first, know them well enough to relate them in straight forward language that anyone can understand. Only then proceed with the math. Always keep in mind that math is to supplement physics, not supplant it. Any teacher who throws a bunch of equations, formulas, theorems and proofs at you without in any way explaining the underlying concepts is worthless. You’ll be better off studying it on your own.

Once you know what to look for in a class/teacher, ask and get answers to these questions.

1. What does the term “all physics happens at the margin” mean? This was bandied about when I was an undergrad, but not one professor nor textbook ever gave an answer. If it is the underlying principle of physics, hell, of all science, then why isn’t it far better understood or explained? That should give you an insight as to the poor quality of most science/math pedagogy. I’ll give you the answer, it means that NO physics takes place until there is a change in energy. Think of the two forms of energy, potential and kinetic. What does potential mean? It means a latent ability to do something. Until it does that something, meaning transform into kinetic energy, you ain’t got nothing. The margin is the point where that change takes place.


2. Why was calculus invented? Why do we take limits of a function? Why is there a tangent line to the initial graph?



3. Understand the concept of the pure number. If you’re thinking you haven’t heard of such a thing, well, no, you have. A pure number is a fraction, percentage, ratio, degree of an angle, slope of a line, exponent, logarithm, trig functions, derivative, integral, thermodynamic entropy, on and on. By that inventory alone, it’s importance is apparent. Specifically, a pure number is one that has no units, no dimensions, it isn’t a quantity of any one thing. Instead it’s a comparison, and as we learned in the first grade, you compare likes to likes. For instance, in thermo entropy, you compare heat to temperature, the SI units cancel, and guess what, you’re left with only the numbers. Which leads to the fourth question



4. Why is there a distinction between heat and temperature? What is the difference between length and displacement, velocity and speed? Can’t tell you how much aggravation you will avoid if you understand those differences and why they were created. Buttonhole your prof and don’t allow them to wiggle out of not explaining those terms and differences. Forget textbooks, they’re for the most part excrementally horrible at explaining any of those terms, and more.

5. Know the definition of a force. Know its equation. Know why it works with energy change.You’ll go a long way to understanding the conceptual underpinning of physics if you answer those   questions. You’ll find that conceptually, physics and the sciences aren’t difficult to understand, that people of normal intelligence can readily enjoy and apply physics to their lives. Don’t allow teachers to bury their lectures with math, you’ll get very little out of your study if you think that is a proper teaching method .



Read also: how TO Study physics degree to graduate level in 2020

 learn some elementary algebra and simple solutions to inequalities:

    It will be a good idea to learn some elementary algebra and simple solutions to inequalities. From that point you can take an introductory book that deals with Newton's laws. They are by far the easiest to comprehend from a beginner. You can go further ahead in physics by studying electromagnetism or particle physics however for that you also need to step up on your math abilities. It is certainly true that without a solid math background you cannot go as deep in understanding physics phenomena. Physics is written in the language of math so however good you are at getting general descriptions don't skip math. Whenever you feel like you have advanced on your math and consequently physics abilities you can buy for yourself Feynam's lectures on physics which is regarded as the world's best introductory to intermediate course . Hope this helps  .

to start start learning physics  reading pages in Wikipedia:

My advice is always just to start reading pages in Wikipedia, and follow up on all links, and links to links, that take your interest (and leave alone any links that don't take your interest). This will not only give you an overview of the main topics that interest you, but will start to give you an indication of which topics do interest you.
 
That way, you will know which books, on which topics (or lectures, or television programmers, or scientific journals) to pursue more thoroughly after that.



The danger with self-teaching physics is:

Take courses.  There's no substitute for the feedback.  The danger with self-teaching is, you can misunderstand just a few things, here and there, and then you come to a point beyond which nothing makes sense.

If you can't take courses, look for textbooks that have the answers in the back to at least some of the problems.  Work the problems.  If you don't test yourself with the problems, it's easy to think you understand more than you really do.


Start from what you observe in your day to day life and then try to figure out
  Start from what you observe in your day to day life and then try to figure out why is it so , and why it is happening in this way only ,after all or world is more physical than that of chemical or something else ..To learn physics you should have a very good observation skill and imagination power and this will increase as you start looking at small thing and start questioning about the same.
Then go through some books to explore more about it but in a systematic way. To start with i will say go through some standard books.

 take a physics 101 class from MIT:

    MIT has recorded a lot of their lectures (especially in physics) and have a lot of really great introductory ones. Many will also even give you access to the course material so in essence you can take a physics 101 class from MIT!

 how to learning physics for beginners ?


You should read, Physics for Dummies.
     a series of many books explaining physics in a smooth & easy way. you may visit this link for more information: Physics - For Dummies you can also read "How Things Work : The Physic of everyday life" How Things Work
and finally don't forget to check YouTube for videos that illustrate and animate everything  Some universities post their course materials online for free. One such university is MIT. You can access their Open CourseWare materials here: Free Online Course Materials


Learn physics with app from google store.

      There is an app on the google play store called Ideal Physics. It covers all of the major areas of physics with notes, equations, and problems with detailed solutions. It only costs a dollar and is a great study tool.
There is now a free version of the app on the Google Play store. all of the same notes, but no problems. Ideal Physics Free .
    Great physics resource is the Ideal Physics app on the Google Play Store. It contains notes, equations, and practice problems with step by step solutions on all of the major areas of physics. The topics it covers are Astrophysics, Electricity & Magnetism, Mechanics, Modern Physics, Optics & Waves, Quantum Mechanics, and Thermodynamics. There are also some useful tools included like physical constants, a unit converter, and some mathematics review. The math level ranges from algebra to calculus so be prepared for that. There is a free version of the app, but it does not include the practice problems that are really helpful. I highly recommend this for university freshmen and high school physics students. Good luck in your studies!

Link for the app: here

Start with any 11th/12th grade physics textbook.

·        General science books (7th standard), then continue with 9th standard physics book.
·        Mathematics book (5th class), then 7th standard book and then continue with 9th standard mathematics book. Study history if science.
·       Start from any 11th/12th grade physics textbook (Resnick & Halliday for example), and focus on Newtonian physics (ignore all the relativity and quantum stuff). You will not need the electricity-related stuff much either.

In parallel, watch videos on Khan Academy or YouTube. There are some video series on YouTube that cover physics for game developers.


Physics is such a large topic … >>

Physics is such a large topic that a life time is insufficient to complete learning it, especially with new knowledge discovered now and then.
You could establish your knowledge framework in physics in one day though, knowing what sub-fields are in physics, what they are generally about, and the brief history of their development.


ways for an amateur to learn a science Firstly.
   
      Well there are some interesting ways for an amateur to learn a science. Firstly, it would be a nice idea to find a suitable for this job book but you need to find a writer who won’t only describe you some laws and of course won’t foist you subjective info. Of great importance is that he will teach you the right methodology, ideology and way of thinking. For example, I have been learning about physics for quite a long time but I really learned the real character of this science when I read the two first chapters from the book ‘’the universe: a biography’’ by John Gribbin where I actually understood this science. Moreover, one more great idea would be to attend an online course, for free of course, about physics. In fact I have tried myself two sites dealing with a big variety of courses and I found them efficient enough, to be precise: ‘’Future learns’’ and ‘’Coursera’’ .Finishing, no matter how to choose to self-learn.


Get yourself to understand the basics of some of the concepts physics 

    To begin with, I would suggest you watch some video documentaries on various physics fields. Physics is a very vast subject and you cannot learn 100% of physics at any point of time. Get yourself to understand the basics of some of the concepts and if any one of them sparks your interest, then try to dig deep into that. It will take time and lots of reading and listening, but at the end of that you will know a bit of physics!



1.        Learning is an active process, in which you teach yourself. Nobody else can do that for you. So, when reading a textbook your job is to reconstruct it for yourself. Say it differently; make sense out of it in your own language. Ask yourself questions and try to answer them, and don't take anything on authority without making sure it sounds and feels right. Only then you can be sure you really get it.
2.        Lots of practice - pianists spend hours stretching and flexing their fingers, doing scales, and all other sort of really boring and not at all glamorous activities. Physics is no different; lots of finger exercises are part of the game, even if they seem trivial.
3.        Also related to other answers - know yourself. Everyone is different, so part of the process is figuring out what works for you and what doesn't and make the necessary adjustments. Make sure you're having fun, at least most of the time, hard to sustain your interest otherwise.
4.        Not only learn but feel how physics works. 

Start by picking up a physics textbook:
I would start by picking up physics textbook or even starting on the Wikipedia page for physics and learning as you read! The “Idiots Guide Too..” books can actually be quite good for getting a general idea about a subject, or you can also try listening to podcasts, watch movies/documentaries, or talking to people who work in the physics world! And of course, starting with education is never a bad start, so if you are in school or even near a community college and can take an introductory physics course you may find it very enjoyable and rewarding.

What do you mean by Physics?

Start by picking up a physics textbook:

  Probably start with a few questions, then research to discover the answers. This will put you on a path to vague understanding. Sources like "One Minute Physics" on YouTube are fantastic if you have no questions yet.
Presumably you're happy with vague understanding, rather than deep theoretical understanding. If you want deep understanding, you can't learn it as it cannot be obtained by mere mortals.
Physics is the study of the basic principles that govern the physical world around us. ... Then, we'll learn about forces, momentum, energy, and other concepts in lots of different physical situations. To get the most out of physics, you'll need a solid understanding of algebra and a basic understanding of trigonometry.




 full plan to learn physics from zero in 2020
    No-one “learns from zero”. For example you already have some skill in the English Language.
One of the first things a teacher does with a new student is to find out how much they already know and understand, and any misconceptions they might have. Then they plan a way to get the student from where they are to where they want to be.
We know neither where you are, nor what you want to achieve and you certainly are not going to learn ALL of physics, even if you had several lifetimes to devote to it.
I will try to be helpful. The set of three books by Richard Feynman … “Lectures on Physics” are amongst the best ever produced and cover most of physics in some depth. I suggest that you get a copy of volume one. If you can follow it and learn from it, then you can work through it and proceed to volumes 2 and 3. If you can’t understand much of it then at least you’ll have some idea of how much you need to know to prepare for studying physics itself.


I was asked to answer this one:
The easiest way to do this is MIT OpenCourseWare:Physics Though it requires a lot of adapting. I’ve been trying to do Computer Science using MIT OpenCourseWare and it’s an epic struggle. You have to be guidance counselor and professor for yourself. And how do you be professor of yourself when you don’t have knowledge enough of the subject. So, right now I’m using a combination of Legacy Courseware at Saylor.org, Coursera, The Great Courses, and MIT OpenCourseWare
    Mostly it comes down to needing someone else to grade your papers and set up the courses for you.
know the beginning though:
        Pre Calculus, Single-Variable Calculus, Multivariable Calculus, Differential Equations, Physics: Classical, Electricity and Magnetism, Vibrations and Waves, then after that you pick your specialization in Physics.


The best way to study this subject is to live bad love the subject rather than studying it and First think if you really have passion about it.
To love the subject you should read:FOR THE LOVE OF PHYSICS BY WALTER LEWIN. This book creates love for physics in reader's mind and also gives him advice about use of physics in your everyday life. And I think this is the best way to learn this wonderful subject.
And moreover you should have complete understanding of any concept you have studied. So for that you can use books, but I personally believe that Dr.R.P.Feynman is the best explainer, so you can use LECTURES OF PHYSICS BY FEYNMAN.
And there are many other books to learn physics from basic level like
1)FUNDAMENTAL OF PHYSICS By Halliday
2) University Physics
At last Walter Lewin tells, TEACHERS WHO MAKE PHYSICS BORING ARE CRIMINALS, so you can think how amazing the subject must be.

 Learn methodical tools which will you use in physics:
   First of all clear all your basics with some methodical tools which will you use in physics without them the physics is nothing. mathematical tools is a chapter which is studied at first in some of coaching centers you will have to learn how to do integration and differentiation before studying physics and some log and in properties. Then start with mechanics portion which is easy but lot is practice is required to score more in this topic. Use the book hc Verma to solve numerical daily and you must read ncert books as they are must for your concepts and logic.

6 Easy to begin but the thing that matters is ‘TIME’.

        You can do everything if u have ample time and I am quite jubilant to see that u want to try.. And believe me you will succeed.. Without wasting more time, let's get started.
1.    Pile up your books: take your necessary items and stationary especially before you start studying physics because it needs logical as well as reasoning ability. Then just go through search engines and see some noble prize winners and know about their striving life Then just start to study and fire up
2.    Conceptual approach: Go through each and every concept thoroughly. Note them down in a paper, tear that and keep it in your pocket and see them whenever you get time…
3.    Remix: At first read the concept properly and then teach them to your friends, siblings, etc. you will find wonderful results within a week.
4.    Distribute: Contribute 45mins-1hr. For physics and solve questions every day after completing a sub topic. This will increase your confidence.
5.    Video lectures: you can get video lectures from you tube and many other apps. However, this gives u a practical base about the chapter.
6.    Now keep calm and be firm.
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