Learn Physics: A Beginner Guide for 23 Yr Old

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Discussion Overview

The discussion revolves around recommendations for beginners interested in learning physics, particularly in the context of cosmology. Participants share various resources, including books and texts, and address the differences between learning physics and learning about physics.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • One participant expresses a desire to learn physics for fun and seeks guidance on where to start.
  • Another suggests books by John Gribbin and working cosmologists like Joseph Silk and Steve Weinberg as good starting points.
  • A different viewpoint emphasizes the importance of using undergraduate introductory physics texts, such as Halliday and Resnick, for a proper understanding of physics.
  • Concerns are raised about the mathematical prerequisites for college-level texts, with a recommendation for Paul Hewitt's Conceptual Physics as a more accessible alternative.
  • Questions are posed regarding the complexity of topics like U(1) and SU(2) symmetries, indicating uncertainty about where to begin with such advanced concepts.
  • Participants mention specific books like "Big Bang" by Simon Singh and Raymond A. Serway's physics textbook as useful resources for beginners.

Areas of Agreement / Disagreement

There is no consensus on the best starting point for learning physics, with participants offering differing opinions on the appropriateness of various texts and the necessary mathematical background.

Contextual Notes

Some participants highlight the distinction between learning physics and learning about physics, suggesting that the approach may vary significantly based on the individual's background and goals.

laymanhobbist
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am 23 , i love cosmology ..

so i decided to learn physics for the fun of it ... can someone point me in the right direction .. :)

where do i start ... ? i am a beginner (noob) compared to you elites !
 
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At the beginner level anything by John Gribben is pretty good.
Then there are books written by working cosmologists - Joseph Silk and Steve Weinberg spring to mind.

Search through the cosmnology forum https://www.physicsforums.com/forumdisplay.php?f=69 for some book recomendations
 
Er... learning physics and learning ABOUT physics are two entirely different things.

If you want to learn physics, you have to learn from the exact same texts that other physics majors learn from, and that means starting with an undergraduate intro physics texts such as Halliday and Resnick.

Zz.
 
If you do not have the necessary math background (calculus, calculus, calculus), a college text might be overwhelming. I recommend the excellent Conceptual Physics texbook, either the high school or college version, by Paul Hewitt. The elementary basics are explained in straightforward language. The mathematical proportionalities are introduced and applied, but the "difficult" math is not done.
 
speaking of physics, where does one start when a physics text starts talking about U(1) and SU(2) and symmetries and groups and gauges, etc?

is this a good place to start, or is there a group theory for dummies?
http://www.cns.gatech.edu/GroupTheory/index.html
 
thank you comrades...
peace
 
Last edited by a moderator:
Proton Soup said:
speaking of physics, where does one start when a physics text starts talking about U(1) and SU(2) and symmetries and groups and gauges, etc?

is this a good place to start, or is there a group theory for dummies?
http://www.cns.gatech.edu/GroupTheory/index.html
Schaum's Outline Series, Baumslag & Chandler.
 
I'll give my standard post for those interested in intro cosmology: Big Bang by Simon Singh.
 
Gokul43201 said:
Schaum's Outline Series, Baumslag & Chandler.

grazie
 
  • #10
Raymond A. Serway - Physics (we used it in first year varsity during my engineering degree) It starts right at things like statics and dynamics, goes through pressure, a bit of fluids, surface tension and all the way to an introductory into quantum mech and other interesting topics. It's a hetfy book, but I have kept mine always and hope to pass it on to the next gen of engineers :wink:
 

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