Engineering, 22.02.2020 06:03 naomicervero

You have a solid square copper ground support, 2 inch per side x 6 inches tall, and it is loaded axially (long axis)with 1600 pounds (force). You have instrumented one rectangular flat of the support with 2 strain gages (half bridge construction). The strain gages are made from modified Karma - Alloy K, that has a nominal resistance R0 = 350Ω, and that has a gauge factor GF = 2.107.
a. Look up the Modulus and Poisson’s Ratio of Copper. b. What would be the change in resistance of a longitudinal strain gage, and a transverse strain gage, under these conditions?
c. If you change to a Full Bridge design (four strain gages), what is the ∆V output of the bridge circuit?

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You have a solid square copper ground support, 2 inch per side x 6 inches tall, and it is loaded axi...

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