Question: A block - and - tackle assembly has three parts and is used to lift a load of 1 , 2 0 0 pounds. The

A block-and-tackle assembly has three parts and is used to lift a load of 1,200 pounds. The lead-line force is 400 pounds. The lead line is pulled at a 60 angle from vertical. What is the block loading estimate?
a.400 lb
b.692 lb
c.800 lb
d.1,492lb
A block - and - tackle assembly has three parts

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