Firefighter Mechanical Aptitude · Question
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: 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.
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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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