Author: Anonymous

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.

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 = 9 ksi, σy = 19 ksi, and τxy = 24 ksi. Determine the center σcenter 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 subjected to plane stress on the surface of a drill bit, the stresses are σx = 11 ksi, σy = 0 ksi, and τxy = 6 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. 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 = –10 ksi, σy = –5 ksi, and τxy = 6 ksi. 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. At a point subjected to plane stress on the surface of a drill bit, the stresses are σx = 20 MPa, σy = 0 MPa, and τxy = 100 MPa. Determine the magnitude of the maximum in-plane shear stress 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 = 11 MPa, σy = 55 MPa, and τxy = 95 MPa. Determine the center σcenter 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 subjected to plane stress on the surface of a screwdriver, the stresses are σx = 25 MPa, σy = 0 MPa, and τxy = –65 MPa. 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 subjected to plane stress on the surface of a bottle as the cap is being turned, the stresses are σx = 556 psi, σy = 278 psi, and τxy = –20 psi. Determine the average normal stress 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 = 39 MPa, σy = 57 MPa, and τxy = –10 MPa. Determine the center σcenter of the corresponding in-plane Mohr’s circle.