Understanding kinetic energy provides the basics on how the world works and about mechanical energy, and it can be used for everything from the design of a roller coaster to the layout of a ramp for snowboarders.
Sir Isaac Newton formulated the laws of universal gravitation and the three laws of motion. These explain how forces act on matter, and on how matter responds to forces. This leads to an understanding of how things move.
Physics deals with subjects ranging from how things move to the creation of our universe. This book introduces us to what is being learned about the relationship of gravity, electricity, and magnetism at the subatomic level.