... keeping with the How Things Work concept, the student is then able to explore the concepts of physics in the context of everyday objects themselves • Interactive exercises and problems Homework is... it with them in mind In the seventeen years I have been teaching How Things Work, many of my thousands of students have been surprised at their own interest in the physics of everyday life, have... well as some of the rules that relate them to one another Much of the groundwork of physics rests on these five quantities and on their interrelationships Skating certainly depends on these quantities