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3 cards from this section. Quick, good the night before a test.
Define stress and strain.
Think of stress as pressure and strain as stretching.
What does Hooke's Law state?
Remember the relationship between force and deformation.
Which law states that stress is proportional to strain?
Think about materials that return to their original shape after deformation.
True or False: Strain measures how much a material stretches or compresses.
Focus on the definition of strain.
A beam supports a load of 500N. If the cross-sectional area is 0.02m², calculate the stress experienced by the beam.
Use the stress formula.
A material has a Young’s Modulus of 200 GPa and experiences a stress of 100 MPa. Calculate the expected strain.
Remember the relationship defined by Young's Modulus.
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