Pulleys - simple machines
Simple Machines lesson for 3rd grade unit. From Disney's Bill Nye the Science Guy. Levers, pulleys, and wheels. Also clips from Eureka!, a ...
how to make a pulley
Simple Machine Pulley Dialogue
A fake Superhero uses a simple machine to stop crime.
Mechanical Advantage - Pulleys
Download/DVD: hilaroad.com This video uses working simple machines to demonstrate how to calculate mechanical advantage. Suitable for any school ...
PHYS1550 Simple Machines - Lever and Pulley
Professor Barbara Bates demonstrates two simple machines that can be used to multiply force: the lever and the pulley.