midterm_1_solution - stresses (b) the maximum in plane...

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American University of Beirut Exam I MECH 320, Spring 08 Saturday, March 29, 2008 Duration: 90 minutes Miscellaneous Formulas: 1
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Pr oblem 1 –Equilibrium Equations (20 points) Member A of the body shown in the figure is subjected to a compressive force of 5 kN. Determine the average normal stress acting on the member C which has a diameter of 10 mm and in member B which has a thickness of 30 mm. 2
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Problem 2- Principal stresses, shear stress and orientations (20 points) The state of stress at a point is shown on the element. Determine (a) the principal
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Unformatted text preview: stresses (b) the maximum in plane shear stress and average normal stress at the point. Determine the values of θ p and θ s. 3 Problem 3- (Use Mohr’s circle for this problem)-20 pts Problem 4- Stress-20 pts A point on a thin plate is subjected to the 2 successive states of stress shown. Determine the resultant state of stress represented on the element oriented as shown in the right. 4 5 Problem 5-Equilibrium- 20 pts 6 7...
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midterm_1_solution - stresses (b) the maximum in plane...

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