Simple Machines by Darla M. Lisbon https://padlet.com/dmlisbon/2wunlciuwt9s List at least three types of simple machines en-us 2017-11-29 20:43:15 UTC 2017-11-30 11:21:56 UTC hello@padlet.com Darla Lisbon https://padlet.com/dmlisbon/2wunlciuwt9s/wish/211785975 the wedge
the lever
the pulley]]> 2017-11-30 11:21:22 UTC https://padlet.com/dmlisbon/2wunlciuwt9s/wish/211785975