One night when Wally was at the pub and his wife calls him and asks if he can come home. Wally walks outside and calls a cab and some bloke was insulting.
4.2 and 4.3: Simple Machines pp. 91 - 103 Mr. Richter.
Simple Machines. Tools that make work easier lever.
Chapter 7 Machines. Objectives 7.1 Explain how machines make work easier 7.1 Calculate mechanical advantage 7.2 Describe the six types of simple machines.
