Two setups lift the same 100 newton load: Setup A uses a single fixed pulley, Setup B uses a single movable pulley. Which setup requires less effort force?
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Correct!
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Correct answer to question 147 (Mechanical Comprehension): Setup B, the movable pulley
Method
The fixed pulley only redirects force, while the movable pulley is supported by two rope strands, roughly halving the effort force needed.
Updated: November 2026
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