1 - Need for stress-strain relation
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Practice Questions
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Define stress in your own words.
💡 Hint: Think about forces acting on surfaces.
What is strain?
💡 Hint: Consider how materials change shape under force.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What do we call the relationship that joins stress and strain?
💡 Hint: Think about how materials respond to applied forces.
True or False: Stress can be defined as force over area.
💡 Hint: Recall the basic definition of stress.
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Challenge Problems
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Design a simple experiment to measure the stress-strain relationship in a material of your choice and outline the steps.
💡 Hint: Consider the setup of forces and measurements you would need.
Given a material with a specific stress-strain relation defined by σ = Eϵ, find the stress produced if the strain is 0.01 and E (Young's modulus) is 200 GPa.
💡 Hint: Don't forget to convert units appropriately.
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