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5 cards from this section. Quick, good the night before a test.
Define stress in your own words.
Think about how force is distributed across an area.
What is the unit of Young's modulus?
It's the same as pressure.
What is the relationship defined by Hooke's Law?
Think about how materials behave under tension.
Is it true that a material that stretches more is always more elastic?
Consider the definition of elasticity.
Calculate the stress experienced by a wire of diameter 2 mm holding a weight of 50 kg.
Remember to find the cross-sectional area first.
Explain why steel has a higher Young's modulus compared to rubber, considering how each material behaves under load.
Think about the atomic arrangement and the forces at play.
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