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CPO Chapter 4 terms

QuestionAnswer
Engineering the application of science to solve problems.
Engineering cycle a process used to build devices that solve technical problems. The four steps are creating a design, building a prototype, testing the prototype, and evaluating test results.
Engineers people who design technology to solve problems.
Force a push, a pull, or any action that has the ability to change motion.
Fulcrum a fixed point on a lever.
Gear a wheel with teeth; two or more gears can be connected together to change the speed and/or direction of rotating motion.
Input includes everything you do to make a machine work.
Input arm when you place a lever on a fulcrum, this is the side of the lever where the input force is applied.
Input force the force applied to a machine.
Lever a stiff structure that rotates around a fixed point called the fulcrum.
Machine a device with moving parts that work together to accomplish a task.
Mechanical advantage the ratio of output force to input force.
Mechanical system a series of interrelated, moving parts that work together to accomplish a specific task.
Output what a machine accomplishes.
Output arm of the lever on a fulcrum, this is the side where the output force is applied.
Output force the force a machine applies to accomplish a task.
Prototype a working model of a design that can be tested to see if it works.
Simple machine an unpowered mechanical device that accomplishes a task with only one movement (such as a lever).
Created by: tjmelia
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