Question 22 of 200

Compared with lifting a load directly, a single movable pulley lets you

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use half the force and pull the same rope
use half the force but pull twice the rope
use the same force but pull half the rope
use a quarter of the force over the same distance

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Correct answer to question 22 (Mechanical Comprehension): use half the force but pull twice the rope

Method

Two rope sections carry the load, so the effort is halved, but the rope must be pulled twice as far. A machine never creates energy: whatever it saves in force it charges back in distance.

Updated: November 2026

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Compared with lifting a load directly, a single movable pulley lets you

Method

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