When a cord is run over a pulley, the direction of the applied force is changed. This is a very useful principle in many different machines, and a basic principle that shows up again and again in physics classes. This device lets students explore and understand this basic principle. This classic wooden model offers children a basic concept of the laws of physics. Desktop sized.
Product Type: Simple Machines
Recommended Grade: Grade 4+
Recommended Age: 9+ Years
GRP:ERGO