In a block and tackle with an ideal mechanical advantage of 6, what is the trade-off for the reduced effort needed to lift a load?
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Correct answer to question 144 (Mechanical Comprehension): the effort rope must be pulled 6 times farther than the load rises
Method
Ropes and simple machines trade force for distance: to gain a mechanical advantage of 6, the effort end of the rope must move 6 times as far as the load.
Updated: November 2026