Firefighter Mechanical Aptitude · Question
A firefighter holding a fire nozzle experiences a significant backward push. This phenomenon is best explained by:
Newton's Third Law of Motion states that for every action, there is an equal and opposite reaction. The forward expulsion of water from the nozzle creates an eq
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Question: A firefighter holding a fire nozzle experiences a significant backward push. This phenomenon is best explained by:
Answer options:
- The Coanda effect
- Newton's First Law of Motion ✅ Newton's Third Law of Motion
- Pascal's Principle
Correct answer: Newton's Third Law of Motion
Explanation: Newton's Third Law of Motion states that for every action, there is an equal and opposite reaction. The forward expulsion of water from the nozzle creates an equal and opposite backward force (recoil) on the firefighter.
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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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