Pask demonstrates how the Principia sets out Newton's approach to science, how the framework of classic mechanics is established, how terrestrial phenomena like the tides and projectile motion are explained, and how we can understand the dynamics of the solar system and the paths of comets.

Introductory material -- How the Principia begins -- Developing the basics of dynamics -- On to more complex situations -- About Principia Book II -- The majestic Principia Book III -- Reception and influence of Principia.