Firefighter Mechanical Aptitude · Question
When two gears of different sizes are meshed, how does the direction of rotation typically compare?
Meshing gears cause them to rotate in opposite directions due to the interlocking teeth.
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Question: When two gears of different sizes are meshed, how does the direction of rotation typically compare?
Answer options: ✅ They rotate in opposite directions.
- They rotate in the same direction.
- The larger gear reverses direction randomly.
- Direction depends on their material.
Correct answer: They rotate in opposite directions.
Explanation: Meshing gears cause them to rotate in opposite directions due to the interlocking teeth.
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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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