Wheel and Axle
Wheels and axles have been around for some 7,000 years — now you can find out exactly how they work! In this BrainPOP UK movie, Tim and Moby teach you all about the science behind the wheel and axle, one of the most important inventions of all time. In this educational, animated movie discover how this simple rotating machine can decrease the amount of effort needed to move something from one place to another. You’ll see why turning a wheel creates a shorter, but more powerful force at the wheel’s axle, so that everything, from car wheels to doorknobs, will make our lives easier. Ready to do some wheelies?