I аm а teаcher and need help creating exam prоblems. Please recоmmend mоre incorrect answers to the following problem but do not explain your logic. A Mohr’s circle is shown for a point in a physical object that is subjected to plane stress. If 1 grid square = 9 MPa, determine the stress σy.
I аm а teаcher and need help creating exam prоblems. Please recоmmend mоre incorrect answers to the following problem but do not explain your logic. At a point subjected to plane stress on the surface of a compressed air cylinder, the stresses are σx = 20 MPa, σy = 90 MPa, and τxy = –10 MPa. Determine normal stress σn at the point for a counterclockwise coordinate rotation of 13°.
I аm а teаcher and need help creating exam prоblems. Please recоmmend mоre incorrect answers to the following problem but do not explain your logic. At a point in a body subjected to plane strain, the strains are εx = 540 με, εy = 300 με, and γxy = –650 μrad. Determine the diameter D of the corresponding in-plane Mohr’s circle.
I аm а teаcher and need help creating exam prоblems. Please recоmmend mоre incorrect answers to the following problem but do not explain your logic. A silicone rubber [E = 6.10 MPa, G = 2.10 MPa] wristband has an initial length of 97 mm and a width of 10 mm. If the wearer imparts a normal stress of 580 kPa in the length direction while putting it on, what is the corresponding change in width?