Physics Beginner's Guide: Tips, Skills & Tools

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For beginners studying physics, mastering foundational math skills, particularly calculus, is essential. Resources like Khan Academy provide valuable lessons in both physics and calculus. Regular practice is crucial; solving numerous problems helps reinforce concepts and improve problem-solving skills. It's important to understand that physics can be challenging, and persistence is key. Students should expect to encounter difficulties and should not be discouraged by setbacks. Taking breaks and seeking help when needed can aid in overcoming obstacles. Consistent effort and practice are fundamental to success in physics.
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Please give me tips for studying physics, skills and tools, beginner's guide!??!
 
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Know your math. So many newbies set up the problem fine, but then struggle to get to the end of the problem because they can't solve for X, for example.

Do a *lot* of problems. Some students make the mistake of thinking that if they choose to be a physics major, then they should be just naturally good at it. Wrong. It's hard, and it takes an incredible amount of time and practice. (Sure there will be that occasional oddball who seems to just "get it" out of thin air. Disregard them; just focus on learning the stuff.)

Realize you will get stuck - often. Don't let it trouble you. Work on it for a while. If you can't get it, take a break. Move on to the next problem, and come back to the one you were stuck on later (maybe the next day). Ask for help if you need it.

Don't get discouraged.
 
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TL;DR Summary: I want to do a PhD in applied math but I hate group theory, is this a big problem? Hello, I am a second-year math and physics double major with a minor in data science. I just finished group theory (today actually), and it was my least favorite class in all of university so far. It doesn't interest me, and I am also very bad at it compared to other math courses I have done. The other courses I have done are calculus I-III, ODEs, Linear Algebra, and Prob/Stats. Is it a...

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