4.3.1 - Mechanical Advantage (MA): The Force Multiplier
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Practice Questions
Test your understanding with targeted questions
Define Mechanical Advantage.
💡 Hint: Think about how much easier a machine makes work.
What is a fulcrum?
💡 Hint: It's the point where the lever balances.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does Mechanical Advantage measure?
💡 Hint: Think about what makes it easier to lift.
True or False: Ideal Mechanical Advantage (IMA) takes friction into account.
💡 Hint: Consider how real-world applications vary.
1 more question available
Challenge Problems
Push your limits with advanced challenges
You design a pulley system that consists of 4 movable pulleys. If you want to lift 800 N with less force, how much input force do you need to exert?
💡 Hint: Use the IMA formula considering the number of pulleys.
In a lab, a student measures the work input of a lever to be 150 J. If the work output is 120 J, calculate the efficiency and interpret the significance of the result.
💡 Hint: Remember the efficiency calculation formula.
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