Mechanical Advantage of a Pulley System

Mechanical advantage is a measure of the force amplification achieved by using a tool—in this case a pulley system.

The mechanical advantage of a pulley system is twice the number of movable pulleys.

Formula

QuantityVariable["MA", "Unitless"] == 2*QuantityVariable["n", "Unitless"]

symbol	description	physical quantity
MA	mechanical advantage	"Unitless"
n	number of movable pulleys	"Unitless"

Get the resource:

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Get the formula:

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Use some values:

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