Definitions: Machine- A device that makes work easier by changing the speed , direction, or amount of a force. Simple Machine- A device that performs work with only one movement. Simple machines include lever, wheel and axle, inclined plane, screw, and wedge. Ideal Mechanical Advantage (IMA)- A machine in which work in equals work out; such a machine would be frictionless and a100% efficient IMA= De/Dr Actual Mechanical Advantage (AMA)- It is pretty …
showed first 75 words of 585 total

showed last 75 words of 585 total
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