Download or read book Use a Pulley written by Mi-Ae Lee and published by Science Storybooks. This book was released on 2016-08 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Do you know how to make lifting work easier? Use a pulley! Grandfather gave some jobs to a lazy boy. The clever boy came up with ideas to make the jobs easier. Let's find out how the boy used pulleys"--Page 4 of cover.