2072. You are using tackle number 4 as shown in illustration D029DG below to lift a weight. The hauling part of this tackle is bent to the weight hook (w) of tackle number 10. What is the mechanical advantage of this rig?

The mechanical advantage of the combined tackle system is 20. Tackle #4 has a mechanical advantage of 4, and tackle #10 has a mechanical advantage of 5. In a compound system, the mechanical advantages are multiplied (4 x 5 = 20).