Screw

Screw – Student Model

An example of a simple machine, which converts a circular motion (the turning of the screw) into a linear motion. It also lets you amplify the force a great deal, since turning the screw only moves the end of the screw a small amount. Excellent for smal... More.

Screw – Demonstration Model

Each Demonstration Model measures approximately 2-1/2 times the size of the student version and is great for classroom demonstration. An example of a simple machine, which converts a circular motion (the turning of the screw) into a linear motion. I... More.