character: Mrs. Johnson
topic: Superposition Principles in Structural Engineering
grade: 9
subject: Physics
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character: Mr. Smith
topic: Fundamentals of Forces in Physics
grade: 9
subject: Physics
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character: Ms. Lee
topic: Introduction to Structural Mechanics
grade: 9
subject: Physics
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character: Mr. Brown
topic: Basic Principles of Equilibrium
grade: 9
subject: Physics
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