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5 cards from this section. Quick, good the night before a test.
What is the formula for calculating tensile stress?
Think about how force distributes over an area.
Define strain in your own words.
Relate it to how a rubber band stretches when pulled.
What does Hooke's Law relate to?
Remember what happens when you stretch a rubber band.
True or False: Strain is a dimensionless quantity.
Think of it in comparisons.
A cylindrical rod made of steel with a diameter of 10 mm is subjected to a tensile force of 5000 N. Calculate the stress developed in the rod and determine if it exceeds the allowable tensile stress for steel, which is 250 MPa.
Convert units where necessary.
Consider a column made of concrete subjected to a compressive load that causes a volume change of 20 cm³ in its original volume of 2000 cm³. Determine the volumetric strain and discuss its implications.
Visualize how structures support loads without crushing.
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