Using §3.2 and other resources, answer the following questions. Strive for depth, clarity, and accuracy while also combining sketches, words, and equations in ways that enhance the effectiveness of your communication.

a. What does hydrostatic mean? How do engineers identify whether a fluid is hydrostatic?

b. What are the common forms on the hydrostatic equation? Are the forms equivalent or are they different?

c. What is a datum? How do engineers establish a datum? 

d. What are the main ideas of Eq. (3.10)? That is, what is the meaning of this equation?

e. What assumptions need to be satisfied to apply the hydrostatic equation?