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Module 4 Vocabulary

Apologia General Science Module 4 Vocabulary: Science, Applied Sci, and Tech

Simple Machine A device that either multiplies or redirects a force.
Force A push or pull exerted on an object in an effort to change that object's velocity.
Mechanical Advantage The amount by which force or motion is magnified in a simple machine.
First Class Lever The fulcrum is positioned between the effort and resistance.
Second Class Lever The fulcrum is at one end of the bar and the resistance is between the fulcrum and the effort.
Third Class Lever The fulcrum is at one end of the bar and the effort is between the fulcrum and the resistance.
Diameter The length of a straight line that travels from one side of a circle to another and passes through the center of the circle.
Circumference The distance around a circle, equal to 3.1416 times the circle's diameter.
Created by: mrpicard