Watch the bonus video on hydraulic systems here: https://nebula.tv/videos/the-efficient-engineer-understanding-hydraulic-systems ⚙️ This video explores different methods that can be use to amplify a force, and focuses on three types of machine - levers, pulleys and gears. The amplification of a force is called mechanical advantage, and it is useful for a wide range of applications, like lifting heavy loads. --- Many thanks to sheffrator for the treadwheel crane model - "Treadwheel Crane" (https://skfb.ly/ooIOq) by sheffrator is licensed under Creative Commons Attribution (http://creativecommons.org/licenses/by/4.0/). --- If you would like to support the channel, please consider becoming a Patron - https://www.patreon.com/efficientengineer. This will allow me to create more high quality videos covering a range of engineering topics. --- The Efficient Engineer is a channel aimed at mechanical and civil engineers. The mission is to simplify engineering concepts, one video at a time! Follow me on Twitter: https://twitter.com/efficiengineer