Presents some basic information about such concepts of physics as force and resistance, while describing the mechanics of gymnastics and other games and exercises that commonly take place in gyms.
Presents some basic information about such concepts of physics as force, resistance, and friction while describing the mechanics of various games and recreational activities that commonly take place in parks.
Presents some basic information about such concepts of physics as friction, gravity, and energy while describing the mechanics of various winter sports, including skiing, skating, and sledding.