Firefighter Mechanical Aptitude · Question
Which class of lever has the fulcrum located between the effort and the load?
In a first-class lever, the fulcrum is positioned between the effort and the load, allowing for a change in direction of force.
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Question: Which class of lever has the fulcrum located between the effort and the load?
Answer options: ✅ First-class lever
- Second-class lever
- Third-class lever
- Fourth-class lever
Correct answer: First-class lever
Explanation: In a first-class lever, the fulcrum is positioned between the effort and the load, allowing for a change in direction of force.
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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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