Chapter 1: What Is Work?
The word work
has an impressive range of meanings. In ordinary speech, it means making a living, "going to work." In science, it means "the transfer of energy from one physical system to another." Work can sometimes mean something difficult: "This is work!"
It can also mean to sew, knit, or weave, as in to "work" a knot. It can mean the opposite of play: "All work and no play makes Jack a dull boy!"
It can also mean success: "This works!" Or the way out, as when we "work" our way out of a jam. We "work off extra pounds," get all "worked up," and so on. The variations multiply. The more we study...