Study conceptual physics online free by downloading OpenStax's College Physics textbook and using our accompanying online resources.

This Physics resource introduces physics and scientific processes followed by chapters focused on motion, mechanics, thermodynamics, waves, and light.

Study conceptual physics online free by downloading OpenStax's University Physics Volume 1 textbook and using our accompanying online resources.

This module discusses the realm of physics (to define what physics is), some applications of physics (to illustrate its relevance to other disciplines), and more precisely what constitutes a physical law (to illuminate the importance of experimentation to theory).

If you are redistributing all or part of this book in a print format, then you must include on every physical page the following attribution: Access for free at https://openstax.org/books/college-physics/pages/1-introduction-to-science-and-the-realm-of-physics-physical-quantities-and-units

This section introduces you to the realm of physics, and discusses applications of physics in other disciplines of study. It also describes the methods by which science is done, and how scientists communicate their results to each other.

This free textbook is an OpenStax resource written to increase student access to high-quality, peer-reviewed learning materials.

Physics presents physical laws, research, concepts, and skills in a logical and engaging progression that should be familiar to most physics faculty. The textbook begins with a general introduction to physics and scientific processes, which is followed by several chapters on motion and Newton’s laws.

In this text, you will begin to explore the history of the formal study of physics, beginning with natural philosophy and the ancient thinkers from the Middle East and the Mediterranean, and leading up through a review of Sir Isaac Newton and the laws of physics that bear his name.

Galaxies are as immense as atoms are small, yet the same laws of physics describe both, along with all the rest of nature—an indication of the underlying unity in the universe. The laws of physics are surprisingly few, implying an underlying simplicity to nature’s apparent complexity. In this text, you learn about the laws of physics.