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12 terms

Machines

Simple Machines and Work
STUDY
PLAY
Force
A push or pull
Work
The transfer of energy through motion
Power
The rate of doing work
Machine
A device that makes work easier
Mechanical Advantage
The amount by which a machine multiplies the effort force
Effort Force
The force applied to a machine
Resistance Force
The force applied by the machine to move a load
Fulcrum
The pivot point of a lever system
Screw
A simple machine consisting of an inclined plane wrapped around a cylinder
Pulley
A simple machin consisting of a wheel and axle with a rope, chain, or material wrapped around it
Wedge
A simple machine consisting of two inclined planes aligned back to back
Compound Machine
A Machine consisting of two or more simple machines