Roll, Slope, and Slide by Michael Dahl, Denise Shea

https://thebookvoice.com/podcasts/2/audible/115209 to listen full audiobooks. Title: Roll, Slope, and Slide Series: Amazing Science: Simple Machines Author: Michael Dahl, Denise Shea Narrator: anonymous Format: mp3 Length: 3 mins Release date: 04-29-22 Ratings: 4 out of 5 stars, 7 ratings Genres: Physics Publisher's Summary: Skateboards, roller coasters, and playground slides, all of these are ramps. From award-winning author Michael Dahl, this book provides an introduction to one of the most important machines humans rely on. With fun facts, find out how people use ramps every day.