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pulleysimplemachicen

QuestionAnswer
what are simple machines and what does it do? simple machines are simple tools that help us do work
what is the effort force? the effort force is energy that does work
what is the resistience force? the resistience force is weight of the load
what is a pully? a pully is a wheel with a rope that is used to lift things
what is a single pullly system? a single pully system means that it has the advantage of one
what is a double pully system? a double pully system is when the effort force is one of half of the resistience force
Created by: dancegirl85254