1.(Pg. [54]) How many mechanical powers are there, and what are they named?
2.(Pg. [54]) What is a mechanical power defined to be?
3.(Pg. [54]) What four particulars must be observed?
4.(Pg. [54]) Upon what will the velocities depend?
5.(Pg. [55]) What is a lever?
6.(Pg. [55]) Give a familiar example.
7.(Pg. [55]) When and why do the scales balance each other, and where is their centre of gravity? ([fig. 1. plate 4.])
8.(Pg. [55]) Why would they not balance with unequal weights?
9.(Pg. [55]) Were the fulcrum removed from the middle of the beam what would result?
10.(Pg. [55]) What do we mean by the arms of a lever?