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Hdog ch 4

vocab for ch 4

QuestionAnswer
input force The force applied to a machine
Machine A device that multiplies force
Mechanical System An object with interrelated parts that work together
Output force A force applied by a machine to accomplish a task after an input force has been applied
Simple Machine An unpowered Mechanical device, such as a lever, that has an input and output force
Fulcrum The pivot point of a lever
Input arm the distance from the fulcrum to the point of input force
lever a simple machine that pivots around a fulcrum
Output arm the distance from the fulcrum and the point of output force
engineering cycle the process used by engineers to develop new technology
prototype a working model of a design
engineering the application of science to solve problems
mechanical advantage output force divided by input force
gear A wheel with teeth that is used to change direction and/or speed of rotating motion
Created by: xemmiegurlx
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