How are a water slide and a ski jump alike? Why is pushing something along a ramp much easier than lifting it in the air? Why do skis zigzag down a hill? How can a simple wedge stop an airplane? This book answers these questions and shows you how different kinds of these two simple machines are all around you to make your work and play easier.
Read More
How are a water slide and a ski jump alike? Why is pushing something along a ramp much easier than lifting it in the air? Why do skis zigzag down a hill? How can a simple wedge stop an airplane? This book answers these questions and shows you how different kinds of these two simple machines are all around you to make your work and play easier.
Read Less
Add this copy of Ramps and Wedges (Simple Machines) to cart. $3.00, very good condition, Sold by HPB Inc. rated 4.0 out of 5 stars, ships from Dallas, TX, UNITED STATES, published 1996 by Rigby Interactive Library.
Choose your shipping method in Checkout. Costs may vary based on destination.
Seller's Description:
Very good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority!
Add this copy of Ramps and Wedges (Simple Machines) to cart. $8.70, new condition, Sold by Orion Tech rated 5.0 out of 5 stars, ships from Arlington, TX, UNITED STATES, published 2006 by Heinemann.
