After completing today's reading, exercises, and the associated homework you should be able to:
Define stress.
Define and calculate normal stress, and
Define and calculate normal stress.
Give the sign convention associated with positive and negative normal stresses.
Apply equilibrium equation(s) to bodies subject to stress by
drawing a free body diagram,
writing the equilibrium equations based on the free body diagram, and
incorporating stress-force-area relationships.
Note: Any term in bold is a key vocabulary term that you should be able to define, regardless of whether or not that is the specific learning objective.