For the specimen shown, determine the normal and shearing stresses at point a. Do not find...

  

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For the specimen shown, determine the normal and shearing stresses at point a. Do not find principle stresses or draw Mohr's circle (just the unrotated stress state is all I am asking for)! Hint to speed up the problem: Shear stress at the middle of a rectangular section is 1.5 times the average shear stress. Helpful Information: 0.9 in.- 0.9 in. h=13 in. 4.8 in. 1.2 in. 1.2 in. -- X 2 I = 2.33 in4, 16.59 in4 A = 8.64 in² 50 kips IZ 2 kips C X 2.4 in. 2 in. 6 kips 1.8 in. dy Final Answer: Ox=( Oy = Oz= Txy = Txz = Tyz = For the specimen shown, determine the normal and shearing stresses at point a. Do not find principle stresses or draw Mohr's circle (just the unrotated stress state is all I am asking for)! Hint to speed up the problem: Shear stress at the middle of a rectangular section is 1.5 times the average shear stress. Helpful Information: 0.9 in.- 0.9 in. h=13 in. 4.8 in. 1.2 in. 1.2 in. -- X 2 I = 2.33 in4, 16.59 in4 A = 8.64 in² 50 kips IZ 2 kips C X 2.4 in. 2 in. 6 kips 1.8 in. dy Final Answer: Ox=( Oy = Oz= Txy = Txz = Tyz =

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