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You are using tackle number 7 in illustration D029DG below to lift a weight of 100 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) 150 lbs.
B) 110 lbs.
C) 55 lbs.
D) 200 lbs.
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Illustration D029DG

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