Work and Machines What Is Work? How Machines Do Work Simple Machines Table of Contents.
Hannah Sweet P5 12/2/10 Hannah Sweet P5 12/2/10 The 1 st Semester.
CHAPTER 8 MACHINES. Machines make work easier by changing the force you exert in size or direction, or both. But it does not change the amount of work.
MACHINES POWERPOINT SLIDESHOW Grade 8 Science MECHANICALSYSTEMS Supporting Science Textbook Content while enriching the Learning Process in Junior High/Middle.
