PROBLEM 7.14 For the given state of stress, determine the normal and shearing stresses after the element shown has been rotated through (a) 25° clockwise, (b) 10° counterclockwise.
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From the image, we have: - Normal stress in the x-direction, \( \sigma_x = 60 \text{ MPa} \) - Normal stress in the y-direction, \( \sigma_y = 40 \text{ MPa} \) - Shear stress, \( \tau_{xy} = 20 \text{ MPa} \) Show more…
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An element in a strained body is subjected to a tensile stress of 150 MPa and a shear stress of 50 MPa, tending to rotate the element in an anticlockwise direction. Determine: (i) The magnitude of the normal and shear stresses on a section inclined at 40° with the tensile stress. (ii) The magnitude and direction of the maximum shear stress that can exist on the element.
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