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Pulley
AB
Simple Machinesmost basic of tools, spread the work out decreasing the amount of force needed to do work
Effort Forceyour pull or push
Resistance Forceexerted by the weight of the load
Pulleya wheel fixed to a support - works by changing the direction of the effort force and letting you use your body's weight to support that force
Single Pulleyhave a mechnaical advantage of 1 - where effort force and resistance force are the same
Double Pulleyone pulley attached to the load and one pulley attached to a fixed support - the effort force is 1/2 the resistance force


Carlee Taggart
Baird

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