Energy from Natural Resources => Gravity powered devices => Topic started by: iacob alex on January 16, 2016, 11:11:41 AM
Title: Remember friction...
Post by: iacob alex on January 16, 2016, 11:11:41 AM
.....as an important factor of any movement. We have a manner to minimize friction , if we play as : https://m.youtube.com/watch?v=X9xNN0XtPk8 (https://m.youtube.com/watch?v=X9xNN0XtPk8) Al_ex