A piece of skin is tested for its stress relaxation properti
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A piece of skin is tested for its stress relaxation properties after cutting 1 cm wide,15 cm long from the belly of a ho
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A piece of skin is tested for its stress relaxation properties after cutting 1 cm wide,15 cm long from the belly of a hog belly. Assume a uniform thickness of 5 mm and the properties do not change while being tested. The initial force recorded after stretching 0.1 cm between grips was 5 Newtons. The gage length was 10 cm. a. Calculate the initial stress. b. Calculate modulus of elasticity of the skin if the initial stretching can be considered as linear and elastic. c. Calculate the relaxation time if the force recorded after 10 hours was 2 Newtons. Assume a single relaxation time model with exponential relaxation in time. d. Would the relaxation of the stress be faster, slower, or the same if the initial force was 10 Newtons?
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