Chapter 10, Problem 81A

To determine

To Explain: Whether the work is done by carrying the boxes down the hall.

Explanation of Solution

Given info:

The cartons of paper along a 15 m long hallway

Formula used:

Work done = Force $\times$ displacement

Calculation:

The force on the box is up and the displacement is down the hall. They are perpendicular and no work is done.

Conclusion:

Hence, there is no work done when one is carrying the boxes down the hall.