Questions from Mechanics


Q: Solve the preceding problem for the following strains: εx = 120

Solve the preceding problem for the following strains: εx = 120 × 1026, εy = -450 × 1026, and γxy = -360 × 1026. Data fro...

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Q: An element of material in plane strain (see figure) is

An element of material in plane strain (see figure) is subjected to strains εx = 480 × 1026, εy = 70 × 1026, and γxy = 420 ×...

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Q: Solve the preceding problem for the following data: εx = 21120

Solve the preceding problem for the following data: εx = 21120 × 1026, εy = 2430 × 1026 , γxy = 780 × 1026, and Î&ced...

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Q: A brass plate with a modulus of elasticity E = 16 ×

A brass plate with a modulus of elasticity E = 16 × 106 psi and Poisson’s ratio v = 0.34 is loaded in biaxial stress by normal stresses σx and σy (...

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Q: Solve the preceding problem if the plate is made of aluminum with

Solve the preceding problem if the plate is made of aluminum with E = 72 GPa and Poisson’s ratio v = 0.33. The plate is loaded in biaxial stress with normal stress σx = 79...

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Q: An element in plane stress is subjected to stresses σx = -

An element in plane stress is subjected to stresses σx = -8400 psi, σy = 1100 psi, and τxy = -1700 psi (see figure). The material is aluminum with modulus of elasticit...

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Q: Solve the preceding problem for the following data: σx = -

Solve the preceding problem for the following data: σx = -150 MPa, σy = -210 MPa, τxy = -16 MPa, and θ = 50°. The material is brass with E = 10...

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Q: A hollow steel box beam has the rectangular cross section shown in

A hollow steel box beam has the rectangular cross section shown in the figure. Determine the maximum allowable shear force V that may act on the beam if the allowable shear stress is 36 MPa.

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Q: During a test of an airplane wing, the strain gage readings

During a test of an airplane wing, the strain gage readings from a 45° rosette (see figure) are as follows: gage A = 520 × 1026 ; gage B = 360 × 1026; and gage C =...

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Q: A 45° strain rosette (see figure) mounted on the

A 45° strain rosette (see figure) mounted on the surface of an automobile frame gives the following readings: gage A = 310 × 1026; gage B = 180 × 1026; and gage C...

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