ENES102_S08_Ex2_axial

# ENES102_S08_Ex2_axial - Name Section Problem#1(35 points A...

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Name: _____________________________ Section: __________ Problem #1 (35 points): A 40 lb lamp is suspended by two cables AB and AC, each having an initial length of 5 ft. Cable AB is made of aluminum (E = 10 x 10 6 psi, ν = 0.333) and cable AC is made of steel (E = 30 x 10 6 psi, ν = 0.300). Initial diameters are 0.1 in for AB and 0.05 in for AC. (a) Calculate the normal stresses in AB and AC. (b) Determine the change in lengths of AB and AC. Does the lamp move left, right, or stay in the center? (c) Find the change in diameters of AB and AC.

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Section: __________ Problem #2 (35 points): Two solid cylindrical rods ABC and CD are joined at C and subjected to several axial loads, as shown below. Rod ABC is made of aluminum (E = 10 x 10 6 psi, ν = 0.333) and rod CD is made of steel (E = 30 x 10 6 psi, ν = 0.300). Initial diameters are 2.25 in for ABC and 1.75 in for CD. (a) Determine the normal stresses in each section of the rod. (b) Find the total change in length of ABCD. Does the length increase or decrease?
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## This note was uploaded on 05/19/2008 for the course ENES 102 taught by Professor Biegel during the Spring '07 term at Maryland.

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ENES102_S08_Ex2_axial - Name Section Problem#1(35 points A...

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