Question 67 of 200

A lever with a mechanical advantage of less than one is useful because it

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trades force away in exchange for speed and range of movement
lets a small effort raise a very heavy load
reduces the total work the operator must do
eliminates friction at the fulcrum entirely

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Correct answer to question 67 (Mechanical Comprehension): trades force away in exchange for speed and range of movement

Method

Third-class levers work this way: the effort exceeds the load, but the load end sweeps a long distance quickly. A fishing rod, a broom, and the human forearm all trade force for reach and speed.

Updated: November 2026

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A lever with a mechanical advantage of less than one is useful because it

Method

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