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Force/Motion Week 4

TermDefinition
Machine Something that replaces human effort and makes work easier
Simple Machine A tool that makes work easier; has few or no moving parts
Energy The ability to do work
Work The ability to move something
Wheel And Axle A simple machine consisting of a grooved wheel turned by a cord or chain with a firmly attached axle together with supports
Lever A simple machine consisting of a solid bar that rotates around a pivot point; used to lift objects
Pulley A simple machine made up of a rope wrapped around a wheel. When a downward force is applied on the rope, an upward force is created
Screw A simple machine made up of a shaft with grooves that wrap around it going from top to bottom
Inclined Plane An object with a flat, tilted surface, a simple machine that helps things roll or slide upward off the ground
Wedge A simple machine that can be used to split objects apart, hold objects in place, or lift objects from the ground; consists of two inclined planes joined together
Created by: 12045408
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