Understanding What We Mean by Power

In Section 13.1, we reviewed the concept of work as presented in Chapter 10 and explained the different forms of eneiggr. now consider what is meant by the term power. Power i for- 

From Equation (13.9), the definition of power, it should be dear that the value ofpower required to perform a task represents how frst you want the task done. If you want a task done in a shorter time, then more power is required. For the sake of demonstrating this point better, imagine that in order to perform a task 3600 J are required. The next question then becomes, how fast do we want this task done If we want the task done in 1 second, 3600 J/s power is required if we urant the task done in 1 minute, then 60 J/s power is needed and if we want the 

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