Question

This man came up with laws about motion, including gravity, and published a book called the Principia.

Archimedes

J.J. Thomson

Isaac Newton

Galileo Galilei

Answer 1

The man you are referring to is **Isaac Newton**. He formulated the laws of motion and universal gravitation and published them in his book titled "Philosophiæ Naturalis Principia Mathematica," commonly known as the Principia.