Slide 1 Work and Machines What is a machine?? Slide 2 Machines: making work easier Think about changing a tire- what tools do you all need? Think about the amount…
Slide 1 MACHINES â UNIT 5 Unit 5 - Machines 1 DEFINITION OF MACHINE ANY DEVICE THAT HELPS PEOPLE DO WORK. IT DOES NOT CHANGE THE AMOUNT OF WORK DONE WORK CONSERVATION MACHINES…