7-15 If the applied shear force V = 18 kip, determine the maximum shear stress in the member. 1 in. 1 in. 1 in. 3 in. 3 in.

8-47. Determine the state of stress at point A, and show the results on a differential volume element located at this point. 100 KN 200 mm 10 kN 200 mm 20 kN 30 mm Probs. 8-47 B X

The internal shear force V at a certain section of an aluminum beam is 40 kN. The beam's centroid is located 54.40 mm above the bottom surface of the beam, and the moment of inertia is l₂ = 398,300 mm4. Determine the shear stress at point H, which is located 30 mm above the bottom surface of the beam. 30 mm 75 mm y H 5 mm 5 mm 75 mm

Why is the force Fd pointing downwards? By force equilibrium, shouldnt  it be 3 + Fd = 9 Fd = 6kN, thus pointing upwards?

SITUATION 29 A single axial load of magnitude P = 62 kN is applied at end C of the steel rod ABC. a. Determine the specific type of axial stress rod ABC is experiencing due to load P. b. Determine the stress in rod AB. c. If the allowable stress for steel is 165 Mpa, find the diameter of rod BC. 30 mm 1.2m d 0.8 m₂

11-85. If the concentrated force P = 2 kN is applied at the free end of the overhanging beam, determine the absolute maximum tensile and compressive stress developed in the beam. -130mm- 5 mm 200 mm 25 mm 25 mm

For the stepped, circular bar subjected to the axial forces shown, find the normal stresses in the three segments.

4-91. Determine the maximum normal stress developed in the bar when it is subjected to a tension of P = 2 kip. 0.125 in. 1.875 in. 1.25 in. P r = 0.25 in. 0.75 in.

Determine

Determine the normal stresses on plane b-b and the principal stresses: