Using Springs

By Wendy Sadler

Book Overview

A ramp is a simple machine that makes it easier for us to move things. A ramp has a bigger distance along the slope than it has along the vertical distance. Find out all about this simple machine in... This description may be from another edition of this product.

• Format: Hardcover
• Language: English
• ISBN: 1844436039
• ISBN13: 9781844436033
• Release Date: January 1
• Publisher: Raintree Publishers
• Weight: 0.88 lbs.