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Lever
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a simple machine that people use to gain a mechanical advantage, such as making work easier
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terms list
Lever
a simple machine that people use to gain a mechanical advantage, such as making work easier
Lever arm
stick or beam free to pivot at a point
Fulcrum
the point where the lever arm pivots
Load
the mass lifted or the resistance overcome by a lever
Coordinate
they show relationships between two variables
Diagram
drawing that describes the relationship of all the parts of a system
Pulley
a wheel with a grooved rim in which a rope can run to change the direction of the pull (force) that lifts a load
Movable pulley
has a wheel that is attached to the load
Fixed pulley
has a wheel that is attached to something above the load
Mechanical
reduces the effort needed to lift a load or overcome a resistance
Simple machine
any of the six basic devices that provide mechanical or other advantage, such as pulleys and levers
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