Question 2117 Deck General

The correct answer is B) 3.0. The mechanical advantage of a tackle system is determined by the number of rope parts supporting the load. In a tackle system with 8 parts of rope, the mechanical advantage is 3.0. This is because the load is divided equally among the 3 rope parts that are supporting it, resulting in a mechanical advantage of 3.0. The other options are incorrect because 0.5 is the mechanical advantage of a single fixed and movable pulley system, 1.5 is the mechanical advantage of a 6-part tackle, and 1.0 is the mechanical advantage of a single fixed or movable pulley, which does not apply to the 8-part tackle system described in the question.