Create 5 variations of the following problem but do not show the answers. At a point on the free surface of a steel automotive component [E = 29,000 ksi,ν = 0.2], a strain rosette was used to obtain normal strains of εa = 142 με, εb = –170 με, and εc = 146 με. Determine normal strain εx 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 = –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 subjected to plane stress on the surface of a backhoe, the stresses are σx = –40 MPa, σy = –100 MPa, and τxy = –10 MPa. 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 in a body subjected to plane strain, the strains are εx = 580 με, εy = 640 με, and γxy = 690 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 subjected to plane stress on the surface of a structural-steel member, the stresses are σx = 5 ksi, σy = –30 ksi, and τxy = 30 ksi. Determine the diameter D of the corresponding in-plane Mohr’s circle.

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 = 280 με, εy = 80 με, and γxy = 500 μrad. Determine the magnitude of the maximum in-plane shear strain 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 = 3.50 MPa, G = 1.20 MPa] wristband has an initial length of 101 mm and a width of 12 mm. If the wearer imparts a normal stress of 550 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 subjected to plane stress on the surface of a structural member, the stresses are σx = –45 MPa, σy = –80 MPa, and τxy = 30 MPa. Determine the magnitude of the absolute maximum shear stress 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 = –480 με, εy = –640 με, and γxy = –310 μrad. Determine the magnitude of the absolute maximum shear strain at the point.