Author: Anonymous

Create 5 variations of the following problem but do not show the answers. At a point in a body subjected to plane strain, the strains are εx = –50 με, εy = 100 με, and γxy = 20 μrad. Determine the angle θp corresponding to the orientation of the principal planes at the point.

Create 5 variations of the following problem but do not show the answers. At a point in a body subjected to plane strain, the strains are εx = 580 με, εy = 630 με, and γxy = 710 μrad. Determine the angle θp corresponding to the orientation of the principal planes at the point.

Create 5 variations of the following problem but do not show the answers. At a point in a body subjected to plane strain, the strains are εx = 370 με, εy = 890 με, and γxy = –350 μrad. Determine the magnitude of the absolute maximum shear strain at the point.

Create 5 variations of the following problem but do not show the answers. At a point subjected to plane stress on the surface of a structural member, the stresses are σx = 50 MPa, σy = 45 MPa, and τxy = 20 MPa. Determine the magnitude of the absolute maximum shear stress at the point.

I am a teacher and need help creating exam problems. Please recommend more incorrect answers to the following problem but do not explain your logic. A silicone rubber [E = 2.60 MPa, G = 0.87 MPa] wristband has an initial length of 94 mm and a width of 11 mm. If the wearer imparts a normal stress of 470 kPa in the length direction while putting it on, what is the corresponding change in width?

Create 5 variations of the following problem but do not show the answers. At a point in a body subjected to plane strain, the strains are εx = 610 με, εy = 370 με, and γxy = 530 μrad. Determine principal strain εp1 at the point.

I am a teacher and need help creating exam problems. Please recommend more 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 = 470 με, εy = 590 με, and γxy = 830 μrad. Determine shear strain γnt at the point for a counterclockwise coordinate rotation of 73°.

I am a teacher and need help creating exam problems. Please recommend more incorrect answers to the following problem but do not explain your logic. At a point subjected to plane stress on the surface of a socket extension, the stresses are σx = 0 ksi, σy = –4 ksi, and τxy = 20 ksi. Determine the magnitude of the maximum in-plane shear stress at the point.

I am a teacher and need help creating exam problems. Please recommend more 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 = –420 με, εy = –10 με, and γxy = –480 μrad. Determine shear strain γnt at the point for a clockwise coordinate rotation of 51°.

Create 5 variations of the following problem but do not show the answers. At a point subjected to plane stress on the surface of a structural member, the stresses are σx = 30 MPa, σy = 100 MPa, and τxy = 10 MPa. Determine the magnitude of the absolute maximum shear stress at the point.