Here's a little something that's not Kenshin for a change.

Okay. Everybody take out half a sheet of paper. Label properly with your name, course and date. Quiz number one:
A physics professor pushes a 4'x4'x6' block of lead for 2 miles in 30 minutes.
Problem: How did he do that? Support your answer using what you learned in Chapter 1. (Draw an appropriate diagram.)