Mathematics, 20.02.2020 19:28 maddie53116

A block-and-tackle is a machine that uses pulleys to help lift heavy items. A person pulls on one end of a rope
with an effort force. The other end is attached to the item, or load. The table shows the results of testing several
block-and-tackle designs to pull the load one meter off the ground.
Which design has the GREATEST efficiency?

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