https://docs.google.com/document/d/1IxN-Teaj_0DOWao7el2YBe1vDsI2_C9niP1HsTvifWE/pub
Homework:
2/4 - textbook p F 77. On LL. # 1-4. Restate
2/6 - Presentation of simple machine models. Must know what type of machine, name of machine, & type of work the machine can perform.