Physics. only one, if the drum is 500m around... 50 turns. you will need on the drum for your cage and skip to move up and down by 500m. 500/18.84= 26.5.
Mark me as brainliest pls..... :)
The answer is in the following website: https://www.reference.com/history/were-video-games-invented-e9413d3dc1378766
