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Question: a beam made from polysilicon is loaded such that it...

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A beam made from polysilicon is loaded such that it is in tension, owing to a force of 50 mN applied, the cross section of the beam is square, with sides 1.0e-5 m. For polysilicon, E 160 GPa, and the beam is 500e-5 m long. (a) What is the stress in the beam? (a) How much does the beam elongate when the force is applied? (c) Assuming a Gage factor of 100, what is the relative change in resistance?

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