Use equations (1) and (2) to find the stresses on faces A and B of the...

 

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Use equations (1) and (2) to find the stresses on faces A and B of the element shown if it is rotated 22.5° ccw. Ans: A: 0x₁ = 41.21 MPa, Tx₁y1 = 7.07 MPa, B: 0y₁ = -1.21 MPa, Tx1y₁ = 7.07 MPa, Eq (1): 0x₁ = (0x+6y) + (ºxy) cos (20)+Txysin (20) 2 Eq (2): Tx₁y₁ = (xy) sin (20) +Txycos (20) COS 2 30 MPa B T= 20 MPa ← 10 MPa 10 MPa A 30 MPa Use equations (1) and (2) to find the stresses on faces A and B of the element shown if it is rotated 22.5° ccw. Ans: A: 0x₁ = 41.21 MPa, Tx₁y1 = 7.07 MPa, B: 0y₁ = -1.21 MPa, Tx1y₁ = 7.07 MPa, Eq (1): 0x₁ = (0x+6y) + (ºxy) cos (20)+Txysin (20) 2 Eq (2): Tx₁y₁ = (xy) sin (20) +Txycos (20) COS 2 30 MPa B T= 20 MPa ← 10 MPa 10 MPa A 30 MPa

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