character: Newton
topic: Mechanical Advantage in Levers
grade: 11
subject: Physics
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character: Einstein
topic: Efficiency of Simple Machines
grade: 11
subject: Physics
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character: Galileo
topic: Inclined Planes and Their Mechanical Advantage
grade: 11
subject: Physics
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character: Archimedes
topic: Pulley Systems and Their Efficiency
grade: 11
subject: Physics
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