hawraaz hawraaz

30-04-2016
Chemistry

contestada

how does a pulley system achieve a mechanical advantage

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brainxly brainxly

03-05-2016

Load x Load Arm= Effort x Effort Arm
Load/Effort = Effort Arm/Load Arm= Mechanical Advantage
If the fulcrum is towards the load side the effort arm is greater than the load arm and Mechanical Advantage>1

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