Think of a spanner loosening a fixed nut, or a child on a seesaw, or a door opening around a fixed hinge. All of these things are connected by something called moments… A moment is the turning force around a fixed pivot. The pivot is the...

In this video, we learn about three types of simple machines: levers, wheel and axle systems, and pulleys. The different types of levers are explained, as well as the mechanical advantages of each. We also learn about the different types...

This live-action video program is about the term simple machine. The program is designed to reinforce and support a student's comprehension and retention of the term simple machine through use of video footage, photographs, diagrams and...

This live-action video program is about the word lever. The program is designed to reinforce and support a student's comprehension and retention of the word lever through use of video footage, photographs, diagrams and colorful, animated...

Students learn to define and recognize the six simple machines: the inclined plane, the wedge, the screw, the lever, the wheel and axle, and the pulley. Real life situations demonstrate the function and purpose of each machine. Students...