Firefighter Mechanical Aptitude · Question
The steering wheel of a fire truck operates on the principle of which simple machine?
A steering wheel is a classic example of a wheel and axle, where a small force applied to the large wheel (steering wheel) results in a larger force on the smal
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Question: The steering wheel of a fire truck operates on the principle of which simple machine?
Answer options:
- Lever
- Inclined plane ✅ Wheel and axle
- Pulley
Correct answer: Wheel and axle
Explanation: A steering wheel is a classic example of a wheel and axle, where a small force applied to the large wheel (steering wheel) results in a larger force on the smaller axle (steering column).
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Question explanations
- 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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