md-quiz-2
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MD Quiz #2TRANSCRIPT
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Quiz 2 –Home Assignment ----------- Given the state of stress described in the Figure below, determine the principal stresses and the angle of rotation for the principal stresses.
------------- The stresses at a point are given by the stress-matrix shown. Determine the overall maximum shear stress.
----------- The thin-‐walled pipe has an inner diameter of 0.5in. and a wall thickness of 0.025in.. If it is subjected to an internal pressure of 500psi and to the axial tension and torsional loadings shown, determine the state of stresses on element A. Use x-‐xis as horizontal and y-‐axis as vertical upwards.
-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐ For purpose of analysis, a segment of the crankshaft in a vehicle is represented as shown below. The load P equals 1.0kN, and b1=80mm, b2=120mm and b3=40mm. The diameter of the upper shaft is d=20mm. Determine the state of stresses at point A, which is located on the surface of the shaft at the zo-axis. Determine the principal stresses and maximum shear stress at point A. Determine the state of stresses at point B, which is located on the surface of the shaft at the yo-axis.
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-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐ A 2.5-in.-diameter solid aluminum post is subjected to a horizontal force of V = 3 kips, a vertical force of P = 7 kips, and a concentrated torque of T = 11 kip-in., acting in the directions shown. Determine the normal and shear stresses acting at point H (in ksi). Assume L = 3.5 in.
----------------- The non-zero stress components are: σxx=150MPa, σyy=70MPa, σzz=-80MPa, and τxy=-45MPa. Determine the principal stresses, the maximum shear stress and the angle for the principal stresses. -----------