Using Wheels and Axles (Machines Inside Machines)
By Wendy Sadler.
Description
The wheel and axle together is a simple machine. We see them all over the place. Without this simple machine we would not be able to drive to other places quickly, or go on a train. Find out all about this simple machine in this title. - from Amzon
ISBN(s)
1410914445, 9781410914446
