Trabajo 1 Presentar los siguientes artículos en diapositivas 1.-How to calculate the gear ratio of the pulleys. V-belt transmission: calculation, application. V-belts https://alimoto.ru/en/generator/how-to-calculate-the-gear-ratio-of-pulleys-vbelttransmission-calculation-application/ 2.- Power Transmission Belts Engineering Guide file:///C:/Users/user/Downloads/0000007871.6026PTB-en-0612.pdf 3.- Belt and Chain Drives (Flexible Drive Elements) http://faculty.mercer.edu/jenkins_he/documents/Ch_17beltsandchains.pdf 4.- Flexible Mechanical Elements file:///C:/Users/user/Downloads/Flexible+Mechanical+Elements.pdf 5.-Machine elements, Power Transmission Devices https://www.slideshare.net/NAGoraoSURNER/basic-mechanical-engineering67484765 Grupos Artículos 1 1 6 11 2 2 7 12 3 3 8 13 4 5 4 9 14 5 10 15 16