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3 cards from this section. Quick, good the night before a test.
What is the formula for bulk modulus?
Think about how pressure relates to volume change.
True or False: Bulk modulus is always negative.
Consider what happens to volume when pressure is applied.
What is the bulk modulus of a material?
Focus on the definition of bulk modulus.
True or False: Solids are more compressible than gases.
Think about how molecules are arranged in different substances.
A solid cube of aluminum with an edge length of 0.1 m is subjected to a uniform hydraulic pressure of 1 × 10^5 Pa. Calculate the change in volume if the bulk modulus of aluminum is 72 × 10^9 N/m².
Use the formula for bulk modulus to find volume change.
Compare the change in volume of a solid ball and a gas under the same pressure of 1 × 10^5 Pa, assuming the bulk modulus of the solid is 1 × 10^9 Pa and the gas is 1 × 10^-4 Pa. Calculate fractional changes.
Remember, the larger the bulk modulus, the smaller the change in volume.
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