The document discusses power and how it relates to work. It defines power as the rate at which work is done, and provides the formula that power is equal to work divided by time. It gives examples of calculating power from examples of objects being moved over distances in certain times, applying force. Units of power like watts and horsepower are also explained.

1. Power! We’ve talked about “work”, now let’s talk about “power”

5. Units for power : 1 J 1 s = 1 W one watt (W) equals one Joule (J) per second (s) Joules per seconds = Watts