Question 2116Deck General70% to pass
What is the mechanical advantage of tackle number 7 as shown in illustration D029DG below?
AI Explanation
The correct answer is D) 2.0.
The mechanical advantage of a tackle is determined by the number of rope parts supporting the load. In a 7-part tackle, there are 7 rope parts supporting the load, which results in a mechanical advantage of 2.0. This means that the force applied to the hauling end of the tackle is doubled at the load end, making it easier to lift or move the load.
The other options are incorrect because 0.0 would indicate no mechanical advantage, 0.5 would indicate a mechanical advantage of less than 1, and 1.0 would indicate a 1:1 ratio, which is not the case for a 7-part tackle.
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