Questions from Mechanics


Q: A circle of a diameter d = 200 mm is etched on

A circle of a diameter d = 200 mm is etched on a brass plate (see figure). The plate has dimensions of 400 × 400 × 20 mm. Forces are applied to the plate, producing uniformly...

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Q: The normal stress on an elastomeric rubber pad in a test machine

The normal stress on an elastomeric rubber pad in a test machine is σy = -100 psi (see figure). Assume E = 312 psi and shear modulus G = 105 psi. (a) Calculate the strains in the pad in the...

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Q: A rubber sheet in biaxial stress is subjected to tensile stresses σx

A rubber sheet in biaxial stress is subjected to tensile stresses σx = 270 Pa and σy = 144 Pa. The corresponding strains in the sheet are εx = 0.0002 and Î&mic...

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Q: An element in uniaxial stress is subjected to tensile stresses σx =

An element in uniaxial stress is subjected to tensile stresses σx = 57 MPa, as shown in the figure. Using Mohr’s circle, determine the following. (a) The stresses acting o...

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Q: An element on the gusset plate in Problem 23 in uniaxial stress

An element on the gusset plate in Problem 23 in uniaxial stress is subjected to compressive stresses of magnitude -6750 psi, as shown in the figure. Using Mohr’s circle, determine th...

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Q: An element on the top surface of the fuel tanker in Problem

An element on the top surface of the fuel tanker in Problem 1 is in biaxial stress and is subjected to stresses σx = -48 MPa and σy = 19 MPa, as shown in the figure. Using Mohr&a...

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Q: An element on the top surface of the fuel tanker in Problem

An element on the top surface of the fuel tanker in Problem 1 is in biaxial stress and is subjected to stresses σx = 6250 psi and σy = -1750 psi, as shown in the figure. Using Mo...

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

An element in biaxial stress is subjected to stresses σx = -29 MPa and σy = 57 MPa, as shown in the figure. Using Mohr’s circle, determine the following. (a) Th...

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Q: An element on the surface of a drive shaft is in pure

An element on the surface of a drive shaft is in pure shear and is subjected to stresses τxy = 2700 psi, as shown in the figure. Using Mohr’s circle, determine the followi...

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Q: A specimen used in a coupon test has normal stress σy =

A specimen used in a coupon test has normal stress σy = 15 MPa (see figure). Using Mohr’s circle, find the state of stress on the element oriented at angle θ...

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