* The Elements by Euclid (c. 300 BC): While primarily focused on geometry, it also contained sections on mechanics and optics, which are considered branches of physics.
* On the Heavens by Aristotle (c. 350 BC): This book dealt with cosmology and astronomy, which were central to early understandings of the natural world.
* The Sand Reckoner by Archimedes (c. 250 BC): While not a full physics book, this work explored mathematical concepts related to the size of the universe, foreshadowing later work in cosmology.
* Mechanica by Pseudo-Aristotle (c. 3rd century BC): This work explored simple machines and their principles, providing foundational knowledge for later work in mechanics.
* Almagest by Ptolemy (c. 150 AD): This book provided a comprehensive model of the universe that dominated astronomy for centuries.
These are just a few examples, and there are many other ancient works that explored aspects of what we now consider physics. It's important to note that the concept of "physics" as a distinct discipline emerged much later, during the Scientific Revolution in the 16th and 17th centuries.
Ultimately, determining the "first" physics book depends on how we define "physics" and what we consider a "book." It's more accurate to say that the foundations of physics were laid by a variety of ancient thinkers who contributed to our understanding of the natural world.