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You are using tackle number 12 shown in illustration D029DG below to lift a weight of 300 lbs. If you include 10 percent of the weight for each sheave for friction, what is the pull on the hauling part required to lift the weight? |
A) 80 lbs. |
B) 50 lbs. |
C) 69 lbs. |
D) 55 lbs. |
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Illustration D029DGComments |
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