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3 cards from this section. Quick, good the night before a test.
What defines Young’s Modulus?
Think about how we measure stretching.
What is the formula used to calculate shear modulus?
Consider the relationship between shear stress and strain.
What is the relationship between stress and strain in elastic materials?
Recall the definition of elasticity.
True or False: The bulk modulus can be negative.
Think about what bulk modulus measures.
A metal rod of length 5 m and cross-sectional area 2 x 10^-4 m² is subjected to a tensile force of 2000 N. Calculate the Young’s modulus if the elongation observed is 0.01 m.
Remember to correctly apply the formula for Young’s modulus.
A glass cube with a volume of 0.1 m³ is subjected to a hydraulic pressure of 5 x 10^5 N/m². Calculate the fractional compression if the bulk modulus is 37 GPa.
Focus on units when calculating pressure and bulk modulus.
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