Firefighter Mechanical Aptitude · Question
Which simple machine uses a fulcrum to multiply force or change the direction of force?
A lever is a simple machine consisting of a beam or rigid rod pivoted at a fixed hinge, or fulcrum. It is used to multiply force (mechanical advantage) or chang
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Question: Which simple machine uses a fulcrum to multiply force or change the direction of force?
Answer options: ✅ Lever
- Pulley
- Inclined Plane
- Wheel and Axle
Correct answer: Lever
Explanation: A lever is a simple machine consisting of a beam or rigid rod pivoted at a fixed hinge, or fulcrum. It is used to multiply force (mechanical advantage) or change the direction of an applied force.
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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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