At a point in a body subjected to plane strain, the strains are εx = 610 με, εy = 240 με, and γxy = 510 μrad. Determine the angle θs corresponding to the orientation of the maximum in-plane shear strain at the point.

A silicone rubber [E = 7.50 MPa, G = 2.50 MPa] wristband has an initial length of 104 mm and a width of 9 mm. If the wearer imparts a normal stress of 440 kPa in the length direction while putting it on, what is the corresponding change in width?

At a point subjected to plane stress on the surface of a structural member, the stresses are σx = –25 ksi, σy = –30 ksi, and τxy = 6 ksi. Determine the magnitude of the absolute maximum shear stress at the point.

At a point on the free surface of a steel automotive component [E = 30,500 ksi,ν = 0.2], a strain rosette was used to obtain normal strains of εa = 439 με, εb = –470 με, and εc = 95 με. Determine normal strain εx at the point.

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°.

Each of the following images represents a state of stress at a point in a structural member that is subjected to plane stress. Which one represents a state of maximum shear stress?

At a point in a body subjected to plane strain, the strains are εx = –500 με, εy = 610 με, and γxy = –720 μrad. Determine the angle θs corresponding to the orientation of the maximum in-plane shear strain at the point.

At a point in a body subjected to plane strain, the strains are εx = –20 με, εy = 430 με, and γxy = 810 μrad. Determine the diameter D of the corresponding in-plane Mohr’s circle.

At a point subjected to plane stress on the surface of a structural member, the stresses are σx = –40 MPa, σy = –60 MPa, and τxy = –20 MPa. Determine the magnitude of the absolute maximum shear stress at the point.

Annelida muscle contractions: