have diameters in the ratio 3:2. T₁ = 1000 N, T₂ = 500 N and T3 = 1500 N. The diameter of the shaft
is 50 mm and yield strength sy = 400 MPa. The bearings do not exert any moments or axial forces on
the shaft.
a. If a factor of safety (n) of 3 is desired based on Maximum Shear Stress (MSS or Tresca) criteria,
find the diameter of pulleys C and D.
b. If n = 3 is desired based on the Distortion Energy Theory (DET or von Mises criteria), find the
diameter of pulleys C and D.
Fig: 1