Firefighter Mechanical Aptitude · Question
A single movable pulley system provides what effect on the effort force required to lift a load?
A single movable pulley supports the load with two rope segments, effectively halving the effort force required, although the distance the rope is pulled double
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Question: A single movable pulley system provides what effect on the effort force required to lift a load?
Answer options: ✅ It halves the effort force.
- It doubles the effort force.
- It keeps the effort force the same.
- It triples the effort force.
Correct answer: It halves the effort force.
Explanation: A single movable pulley supports the load with two rope segments, effectively halving the effort force required, although the distance the rope is pulled doubles.
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- Scenario 1: Which simple machine uses a fulcrum to multiply force or change the direction of force?
- Scenario 2: If a hydraulic jack has a small piston with an area of 5 cm² and a large piston with an area of 50
- Scenario 3: Which of the following would require the MOST force to move?
- Scenario 4: A rope is tied to a heavy box. Instead of pulling the box directly, a firefighter wraps the rope a
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