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2 cards from this section. Quick, good the night before a test.
Define longitudinal strain.
What is the focus when you pull or compress a material?
What does shear strain measure?
Think about angles between ice skaters' arms when they spin.
What is the formula for longitudinal strain?
Consider how length changes in tension or compression.
True or False: Shear strain only affects the length of materials.
Think about how shapes can distort while keeping their areas intact.
Consider a beam fixed at one end. If a force pulls on the free end creating a longitudinal strain of 0.01, calculate the new length if the original was 2 m.
Use the formula for longitudinal strain.
A rectangular sheet experiences a shear strain that reduces the right angle between its sides to 85 degrees. Calculate the angle change.
Use the formula for angle change in shear strain.
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