Documents Past and Present How are simple machines useful?.

Slide 1 Past and Present How are simple machines useful? Slide 2 Review of Simple Machines http://www.mikids.com/Smachines.htm Slide 3 What do you think this machine did?…

Documents Past and Present

Past and Present How are simple machines useful? Review of Simple Machines http://www.mikids.com/Smachines.htm What do you think this machine did? Why do you think that?…