character: Mr. Chang
topic: Fracture Mechanics in Solids
grade: 9
subject: Physics
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character: Miss Smith
topic: Stress and Strain Analysis
grade: 9
subject: Physics
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character: Dr. Lee
topic: Material Properties and Failure
grade: 9
subject: Physics
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character: Mr. Patel
topic: Introduction to Mechanics of Materials
grade: 9
subject: Physics
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