Work
by Sally M. Walker , Roseann Feldmann , Andy King
No reviews yet
First published: 2001
1 language
ISBN: 9780822522119
Description
What is work? You may think work is doing chores or going to a job, but you do work every time you move something from one place to another. With experiments that demonstrate these fundamental concepts, discover how you work, and how simple machines make doing work easier.
