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1.6 Exercise 36

Avg difficulty 2.5

How much stress is created in a steel beam if its temperature changes from –15°C–15 ° \text{C} to 40°C40 ° \text{C} but it cannot expand? For steel, the Young’s modulus Y=210×109N/m2Y = 210 \times 10^{9} \text{N}/\text{m}^{2} from Stress, Strain, and Elastic Modulus. (Ignore the change in area resulting from the expansion.)

OpenStax University Physics Volume 2, 1.6 Mechanisms of Heat Transfer, exercise 36

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Adapted from University Physics Volume 2 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 2. Imported at revision db44eb9.