Firefighter Mechanical Aptitude · Question
To lift a heavy piece of equipment onto a fire truck, a firefighter uses a block and tackle system with four ropes supporting the load. What is the approximate mechanical advantage of this system?
The mechanical advantage of a block and tackle system is approximately equal to the number of rope segments supporting the movable pulley(s) and the load. In th
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Question: To lift a heavy piece of equipment onto a fire truck, a firefighter uses a block and tackle system with four ropes supporting the load. What is the approximate mechanical advantage of this system?
Answer options:
- 1
- 2 ✅ 4
- 8
Correct answer: 4
Explanation: The mechanical advantage of a block and tackle system is approximately equal to the number of rope segments supporting the movable pulley(s) and the load. In this case, 4.
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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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