Questions from Mechanics


Q: A shear wall in a reinforced concrete building is subjected to a

A shear wall in a reinforced concrete building is subjected to a vertical uniform load of intensity q and a horizontal force H, as shown in the first part of the figure. (The force H represents the ef...

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Q: The state of stress on an element along the hydraulic lift cylinder

The state of stress on an element along the hydraulic lift cylinder on a truck is σy = -5 MPa. Find the maximum shear stress on the element and show the state of stress on a sketch of a pro...

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Q: A steel pipe is subjected to a quadratic distributed load over its

A steel pipe is subjected to a quadratic distributed load over its height with the peak intensity qo at the base (see figure). Assume the following pipe properties and dimensions: height L, outside di...

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Q: Repeat the preceding problem using σy = -750 psi.

Repeat the preceding problem using σy = -750 psi. Data from Problem 14: The state of stress on an element along the hydraulic lift cylinder on a truck is σy = -25 MPa. Find the...

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Q: A propeller shaft subjected to combined torsion and axial thrust is designed

A propeller shaft subjected to combined torsion and axial thrust is designed to resist a shear stress of -57 MPa and a compressive stress of -105 MPa (see figure). (a) Determine the principal stresses...

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Q: The stresses at a point along a beam supporting a sign (

The stresses at a point along a beam supporting a sign (see figure) are σx = 2250 psi, σy = 1175 psi, and τxy = -820 psi. (a) Find the principal stresses. Show them on...

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Q: σx = 2150 kPa, σy = 375 kPa, τxy =

σx = 2150 kPa, σy = 375 kPa, τxy = -460 kPa. Data for Problem 18: An element in plane stress (see figure) is subjected to stresses σx, σy, and...

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Q: σx = 14,500 psi, σy = 1070 psi,

σx = 14,500 psi, σy = 1070 psi, τxy = 1900 psi. Data for Problem 19: An element in plane stress (see figure) is subjected to stresses σx, σy,...

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Q: σx = 16.5 MPa, σy = -91 MPa

σx = 16.5 MPa, σy = -91 MPa, τxy = -39 MPa. Data for Problem 20: An element in plane stress (see figure) is subjected to stresses σx, σy, and...

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Q: σx = -3300 psi, σy = -11,000psi

σx = -3300 psi, σy = -11,000psi, τxy = 4500 psi. Data for Problem 21: An element in plane stress (see figure) is subjected to stresses σx, σy,...

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