How Machines Work: The Interactive Guide

A practical guide to the scientific principles of force and motion: levers, inclined planes, wheels and axles, gears, cams, cranks, pulleys and ratchets. Includes twelve working machines to build

How Machines Work is a unique interactive guide to understanding simple machines and mechanisms. Each spread introduces you to a key mechanical principle that you put into practice by building one or more working models. This hands-on approach makes it easy to understand how these principles work and how they can be applied to everyday objects, such as cars, bicycles cranes and seesaws.