14-54. Determine the equivalent state of stress for an element oriented 60 counterclockwise from the element shown. Show the result on the element. 250 MPa 400 MPa S60 MPa

Determine the principal planes and the principal stresses for the state of plane stress resulting from the superposition of the two states of stress shown. Given: X = 60 MPa and Y = 20 MPa. Determine the orientation of the principal plane in the first and second quadrant. Determine the maximum/minimum principal stresses

Use Mohr's Circle.

draw fbd and show the complete solution

Determine the equivalent state of stress on an element at the same point oriented 60° clockwise with respect to the element shown. Sketch the results on the element.

Draw the three Mohr’s circles that describe the following state of stress.

The state of stress at a point in a member is shown on the element. Take σx = 90 MPa , σy= 65 MPa , τxy = 40 MPa . A) Determine the normal stress component acting on the inclined plane AB. Solve the problem using the method of equilibrium.    B)Determine the shear stress component acting on the inclined plane AB. Solve the problem using the method of equilibrium.