Simple machines make work easier, not less work, says Rick Crosslin, scientist. He joined us today to demonstrate how simple machines work. In our case, Randy was the “load” and Amber was the “effort.

Explains how simple machines, such as levers, pulleys, wheels and axles, and inclined planes, work together to make tasks easier by trading force for distance or vice versa. It illustrates the concept ...

Explains how pulleys work to lift heavy weights more easily. A fixed pulley changes the direction of force, allowing for easier lifting, while a movable pulley reduces the amount of force needed to ...

Ally Serritella and Jonathan Harper work on a simple pulley machine with Mr. Peralta. The fifth graders at Woodglen School, in Lebanon Township, Hunterdon County, have been working on a simple machine ...

Introduction to Mechanical Systems provides a foundational overview of mechanical systems. Simple machines, such as the lever, incline planed, and wheel, are the building blocks of even the most ...