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220F09_H14-16 - and 60 ksi for brass Find the maximum...

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H.14: A bimetallic strip, with a cross section shown below, is used as a sensing element in a thermostat. The strip is made of copper (E c = 120 GPa) and nickel (E n = 210 GPa) that are bonded together to form a beam. The beam is subjected to a bending moment of M z = +2 N-m about the z-axis (i.e. neutral axis). Calculate the maximum bending stress (a) in the copper and (b) in the nickel. Also, indicate whether each stress is tension or compression.
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