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3 cards from this section. Quick, good the night before a test.
Define principal planes in solid mechanics.
Think of the stress components at those planes.
What is a cuboid used for in our context?
Consider its shape and three-dimensional nature.
What are principal planes?
Look at the definition terms in the glossary.
True or False: The shear component of traction is always zero at principal planes.
Consider what characterizes a principal plane.
Given a beam with principal stresses of 250 MPa and 150 MPa, calculate the maximum shear stress on planes at 45 degrees.
Use the formula for calculating maximum shear given principal stresses.
Discuss and visualize how changing the angle of a structural element affects its shear response.
Consider how shifting orientation impacts the overall mechanics.
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