Dive into the mechanics of Lego pulley systems and see how much weight can be lifted using a Lego PF Medium Motor. This innovative build pushes the boundaries of Lego engineering, using only Lego ...

Britain’s strongest man pulls a 12 tonne truck. Steve Mould challenges a group of children to use the science of pulleys to do the same. This short film will be relevant for teaching primary ...

Also known as "two masses on a pulley". Surprisingly, this simple device comes up a lot in intro physics texts. It also brings up some interesting issues. I will go over the basic way to solve a ...