Firefighter Mechanical Aptitude · Question
Scenario 8: In a series of simple machines, the total mechanical advantage is found by:
When simple machines are combined in a series (compound machine), their individual mechanical advantages are multiplied to find the total mechanical advantage o
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Question: Scenario 8: In a series of simple machines, the total mechanical advantage is found by:
Answer options: ✅ Multiplying the mechanical advantages of each individual machine.
- Adding the mechanical advantages of each individual machine.
- Subtracting the smallest mechanical advantage from the largest.
- Averaging the mechanical advantages of all machines.
Correct answer: Multiplying the mechanical advantages of each individual machine.
Explanation: When simple machines are combined in a series (compound machine), their individual mechanical advantages are multiplied to find the total mechanical advantage of the system. The correct answer is "Multiplying the mechanical advantages of each individual machine.". This capacity-fill scenario 8 reinforces the same competency for the firefighter-mechanical bank and follows the certified explanation standard.
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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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