Firefighter Mechanical Aptitude · Question
To maximize the torque applied to a stubborn hydrant cap with a wrench, a firefighter should ______.
Torque is maximized when the force is applied perpendicularly to the lever arm and at the greatest possible distance from the pivot point.
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Question: To maximize the torque applied to a stubborn hydrant cap with a wrench, a firefighter should ______.
Answer options:
- Apply force closer to the pivot point. ✅ Apply force perpendicular to the wrench handle, as far from the pivot as possible.
- Apply force parallel to the wrench handle.
- Use a shorter wrench.
Correct answer: Apply force perpendicular to the wrench handle, as far from the pivot as possible.
Explanation: Torque is maximized when the force is applied perpendicularly to the lever arm and at the greatest possible distance from the pivot point.
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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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