Firefighter Mechanical Aptitude · Question
To increase the mechanical advantage of an inclined plane, you could:
The mechanical advantage of an inclined plane is the ratio of the length of the incline to its height. A longer, less steep incline requires less force to move
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Question: To increase the mechanical advantage of an inclined plane, you could:
Answer options: ✅ Make the incline longer and less steep.
- Make the incline shorter and steeper.
- Increase the friction on the surface.
- Decrease the width of the inclined plane.
Correct answer: Make the incline longer and less steep.
Explanation: The mechanical advantage of an inclined plane is the ratio of the length of the incline to its height. A longer, less steep incline requires less force to move an object up, thus increasing mechanical advantage.
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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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