Actual mechanical-advantage to ideal mechanical-advantage ratio {mechanical advantage}| {efficiency, dynamics} inversely relates to friction. Actual mechanical advantage is lower than ideal mechanical advantage. Actual force Fi exerted on machine divides into force Fo exerted on object-to-move {actual mechanical advantage}: Fo / Fi. Distance moved by output force divides into distance si moved by input force {ideal mechanical advantage}: si / so.
Physical Sciences>Physics>Dynamics>Machine
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Date Modified: 2022.0224