1. Contextual Challenge (the problem that needs solving)

 

The combination of force and movement defines power, and a mechanism manages power to achieve a desired set of forces and movement. A mechanism is usually a piece of a larger process, known as a mechanical system or machine. You will investigate basic mechanisms and their operations.

2. Specification (the list of criteria than needs to be completed to solve the problem)

Must

Should

Could

Build a different lever classes. Be able to build and test the 3 classes of levers. Build a compound pulley system.
Build a pulley system. Be able to build and test multiple pulley ratios. Build a bell crank linkage and treadle linkage.
Build a gear system. Be able to build and test multiple gear ratios. Build a compound gear system,
Build a reverse motion linkage system. Be able to build a parallel motion linkage system.