2.(Pg. [46]) What is [fig. 5. plate 2.] intended to represent?

3.(Pg. [47]) How would the ball move, and how would you represent the direction of its motion?

4.(Pg. [47]) What is supposed respecting the forces represented in [fig. 6]?

5.(Pg. [47]) How would the body move if so impelled?

6.(Pg. [47]) If the forces are unequal and not at right angles, how would the body move, as illustrated by [fig. 7]?

7.(Pg. [47]) How must a body be acted on, to produce motion in a curve, and what example is given?

8.(Pg. [48]) When is a body said to revolve in a plane, and what is meant by the centre of motion?

9.(Pg. [48]) What is intended by the axis of motion, and what are examples?

10.(Pg. [48]) What is the middle point of a body called?

11.(Pg. [48]) What is said of the axis of motion, whilst the body is revolving?