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Mechanical advantage the resistance force. Mechanical advantage is equal output force divided by input force.
Mechanical advantage=load/effort
This is because the actual mechanical advantage is the actual calculation found after dividing the effort force by the output force. Ideal mechanical advantage is what many people would call an estimate. When estimating mechanical advantage, the numbers are always rounded. This makes actual mechanical advantage less. Sources: Science teacher
The mechanical advantage of a wheel and axle is the ratio of the radius of the wheel to the radius of the axle.
mechanical advantage= output force over input force times 100