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3 cards from this section. Quick, good the night before a test.
What is the formula for linear strain?
Remember, it's the change in length divided by the original length.
Define shear strain.
Think about how forces can cause layers to slant.
What does linear strain measure?
Think about how materials stretch.
Is shear strain related to changes in volume?
Remember the characteristics of shear stress.
A cylindrical rod with an initial length of 1 m is stretched until its length becomes 1.02 m. If the rod has a diameter of 1 cm, calculate the stress experienced by the rod knowing the material's Young's Modulus is 200 GPa.
Ensure to calculate linear strain first.
A cube with a volume of 2 m³ is subjected to hydrostatic pressure of 500 kPa, causing its volume to change to 1.95 m³. Calculate the volumetric strain and pressure change.
Utilize volumetric strain calculation first to establish how pressure affects the volume.
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