Firefighter Mechanical Aptitude · Question
What is the SI unit for pressure?
The Pascal (Pa) is the SI unit for pressure, defined as one Newton of force per square metre (N/m²).
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Question: What is the SI unit for pressure?
Answer options:
- Newton (N)
- Joule (J) ✅ Pascal (Pa)
- Watt (W)
Correct answer: Pascal (Pa)
Explanation: The Pascal (Pa) is the SI unit for pressure, defined as one Newton of force per square metre (N/m²).
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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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