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Simple Machines

Vocabulary

TermDefinition
Force Exerting pressure or influence over object or substance
Friction The act of a surface or an object rubbing against each other
Fulcrum The support on which a lever turns or is helped in moving or lifting something
Inclined plane A plank or plane surface put at an angle to a horizontal surface
Lever A bar which rests on a fulcrum
Load amount of work a machine is expected to perform
Machine Any device that applies or changes the direction of power force, or motion
Axle Bar on which a wheel turns
Power Strength or force that can be exerted on other bodies
Pull To move, usually with force or effort
Pulley A wheel that has a groove in the rim where a rope can run and change the direction of the pull
Push To move something away by pressing against it
Screw Cylinder with a ridge winding around it. Its a simple machine
Spring Something that produces action, a moving force
Tool An instrument of work
Torque A force that causes rotation
Wedge To force an opening
Wheel A round frame that turns on a pin or shaft in the middle
Work An effort in doing or making something
Created by: 12:03