Questions from Mechanics


Q: A vertical pole consisting of a circular tube of outer diameter 5

A vertical pole consisting of a circular tube of outer diameter 5 in. and inner diameter 4.5 in. is loaded by a linearly varying distributed force with maximum intensity of qo. Find the maximum shear...

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Q: A specimen used in a coupon test is shown in the figure

A specimen used in a coupon test is shown in the figure. The stresses on element A are known to be σy = -1500 psi. Use Mohr’s circle to: (a) Find the stresses acting on th...

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Q: The rotor shaft of a helicopter (see figure part a)

The rotor shaft of a helicopter (see figure part a) drives the rotor blades that provide the lifting force and is subjected to a combination of torsion and axial loading (see figure part b). It is kno...

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Q: An element in pure shear is subjected to stresses τxy = 3750

An element in pure shear is subjected to stresses τxy = 3750 psi, as shown in the figure. Using Mohr’s circle, determine the following: (a) The stresses acting on an eleme...

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Q: σx = 3500 psi, σy = 12,200 psi,

σx = 3500 psi, σy = 12,200 psi, Ï„xy = -3300 psi, θ = -51° Data for Problem 13: An element in plane stress is subjected to stresses Ï ...

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Q: σx = -47 MPa, σy = -186 MPa,

σx = -47 MPa, σy = -186 MPa, τxy = -29 MPa, θ = -33° Data for Problem 14: An element in plane stress is subjected to stresses σx,...

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Q: σx = -1720 psi, σy = -680psi, τxy

σx = -1720 psi, σy = -680psi, τxy = 320 psi, θ = 14 ° Data for Problem 15: An element in plane stress is subjected to stresses σx,...

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Q: σx = 33 MPa, σy = -9 MPa, τxy

σx = 33 MPa, σy = -9 MPa, Ï„xy = -9 MPa, θ = 35° Data for Problem 16: An element in plane stress is subjected to stresses σx, Ï...

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Q: σx = -5700 psi, σy = 950 psi, τxy

σx = -5700 psi, σy = 950 psi, τxy = -2100 psi, θ = 65° Data for Problem 17: An element in plane stress is subjected to stresses σx...

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Q: σx = 2900 kPa, σy = 9100 kPa, τxy =

σx = 2900 kPa, σy = 9100 kPa, τxy = -3750 kPa Data for Problem 18: An element in plane stress is subjected to stresses σx, σy, and τ...

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