Firefighter Mechanical Aptitude · Question
If two gears are meshed, and the driving gear rotates clockwise, in what direction will the driven gear rotate?
When two external gears mesh, their teeth interlock, causing them to rotate in opposite directions.
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Question: If two gears are meshed, and the driving gear rotates clockwise, in what direction will the driven gear rotate?
Answer options:
- Clockwise ✅ Counter-clockwise
- Depends on the gear ratio
- Depends on the number of teeth
Correct answer: Counter-clockwise
Explanation: When two external gears mesh, their teeth interlock, causing them to rotate in opposite directions.
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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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