(a) For the given state of stress as shown in Figure Q3, calculate and define (i)...

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(a) For the given state of stress as shown in Figure Q3, calculate and define (i) the principal stresses and the corresponding principal planes, (ii) the maximum in-plane shearing stress and its orientation, (iii) the corresponding normal stress in part (b). (b) Sketch the orientation of the element (with respect to the element shown) under the condition of (a)(i) and (a)(ii), (iii). ***Two separated sketches should be prepared. (c) Present the result in Mohr's Circle + 75 MPa + 125 MPa 50 MPa Figure Q3 (a) For the given state of stress as shown in Figure Q3, calculate and define (i) the principal stresses and the corresponding principal planes, (ii) the maximum in-plane shearing stress and its orientation, (iii) the corresponding normal stress in part (b). (b) Sketch the orientation of the element (with respect to the element shown) under the condition of (a)(i) and (a)(ii), (iii). ***Two separated sketches should be prepared. (c) Present the result in Mohr's Circle + 75 MPa + 125 MPa 50 MPa Figure Q3