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15 Free General Physics Books & Textbooks [PDF]

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Explore the laws that govern the universe with our collection of free general physics books and textbooks in PDF. From introductory mechanics to modern physics, every title is free to download with no registration.

These textbooks cover the full foundation of physics. They span classical mechanics, thermodynamics, electromagnetism, and the principles behind everyday phenomena.

University volumes, beginner guides, and calculus-based courses sit side by side. Students at any stage will find the right place to start.

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University & College Physics Books

Comprehensive, calculus-ready volumes used in first-year university physics courses. They cover the full sequence from mechanics to modern physics.

  • University Physics Volume 1

    A calculus-based volume covering mechanics, waves, and thermodynamics for first-year university courses. Clear explanations, worked examples, and practice problems build a solid foundation.

    Samuel J. Ling, Jeff Sanny, William Moebs

    Format: PDF 998 pages 15.67 MB
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  • University Physics Volume 2

    Continues the calculus-based sequence with electricity, magnetism, and electromagnetic waves. Detailed diagrams and step-by-step problems make complex topics approachable.

    Samuel J. Ling, Jeff Sanny, William Moebs

    Format: PDF 820 pages 14.7 MB
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  • University Physics Volume 3

    Covers optics and modern physics, including relativity, quantum mechanics, and nuclear physics. A rigorous close to the calculus-based university sequence.

    Samuel J. Ling, Jeff Sanny, William Moebs

    Format: PDF 618 pages 10.3 MB
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Introductory & Beginner Physics Books

Gentle starting points for high school students and anyone new to physics. Clear explanations build a solid base before the math gets heavy.

  • Introductory Physics I

    Elementary mechanics taught from the ground up by a Duke University physicist. Covers motion, forces, energy, and momentum with a calculus-ready approach.

    Robert G. Brown

    Format: PDF 662 pages 5.78 MB
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  • Introductory Physics II

    Electricity, magnetism, and optics for the second semester of introductory physics. Builds directly on the mechanics foundation with clear derivations.

    Robert G. Brown

    Format: PDF 644 pages 4.24 MB
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  • A Textbook for High School Students Studying Physics

    A complete high-school physics course covering mechanics, waves, electricity, and matter. Written for students with plenty of worked examples and clear diagrams.

    FHSST Authors

    Format: PDF 398 pages 2.02 MB
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  • An Introduction to Physics

    Companion notes to a 45-lecture course that explains the core ideas of physics in plain language. A friendly starting point for beginners and self-learners.

    Dr. Pervez Hoodbhoy

    Format: PDF 207 pages 4.37 MB
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  • Motion and Mass: First Steps into Physics

    A gentle first look at motion, mass, and force for readers new to physics. Part of the Basic Books in Science series, written to start at the very beginning.

    Roy McWeeny

    Format: PDF 107 pages 0.77 MB
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  • Physics Notes

    Complete lecture notes for high-school Physics 1 and 2, covering mechanics, electricity, waves, and more. Concise summaries and diagrams ideal for review.

    Mr. Bigler

    Format: PDF 515 pages 4.82 MB
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Calculus-Based & Classical Mechanics Books

Forces, motion, and Newtonian mechanics built on a calculus foundation. These titles connect the math to the physical world step by step.

  • General Physics I: Classical Mechanics

    A thorough introduction to Newtonian mechanics, from units and vectors to energy, momentum, and rotation. Includes worked problems and reference tables.

    D.G. Simpson

    Format: PDF 361 pages 4.16 MB
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  • Calculus-Based Physics I

    A first-semester course built around calculus, covering mechanics, oscillations, waves, and thermodynamics. Each chapter pairs concepts with detailed problem-solving.

    Jeffrey W. Schnick

    Format: PDF 268 pages 1.73 MB
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  • Calculus-Based Physics II

    The second semester covers electricity, magnetism, optics, and Maxwell's equations. A clear calculus-based treatment with worked examples throughout.

    Jeffrey W. Schnick

    Format: PDF 333 pages 2.06 MB
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Modern & Mathematical Physics Books

The mathematical language of physics and an introduction to modern, post-classical ideas. A natural next step once the fundamentals feel comfortable.

  • Modern Physics Notes

    A compact introduction to relativity, quantum mechanics, and atomic physics. Ideal for students moving beyond classical physics for the first time.

    J Kiefer

    Format: PDF 62 pages 0.61 MB
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  • Mathematical Physics

    University lecture notes connecting classical mechanics and quantum mechanics through their mathematical structure. For students ready to see the math behind the physics.

    Bergfinnur Durhuus, Jan Philip Solovej

    Format: PDF 178 pages 0.77 MB
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  • A Brief Introduction to Physics for Mathematicians

    Lecture notes that present the core ideas of physics in the language of mathematics. Written for math students who want a rigorous, concept-first overview.

    Igor Dolgachev

    Format: PDF 292 pages 1.1 MB
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These general physics books give you a complete path, from your first equation to advanced theory. Download any title for free and learn at your own pace.

Looking for more? Browse our full collection of Physics Books in PDF.

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