http://www.ck12.org Chapter 16. Work and Machines
Points to Consider
In this lesson, you read that a compound pulley consists of two or more single pulleys. Many other machines also
consist of two or more simple machines.
- Can you think of additional examples of machines that consist of more than one simple machine? Which
simple machines do they contain? - How might combining simple machines into a more complex machine affect efficiency and mechanical
advantage?