A 3D printed polymer rod measures 106.00 mm in length while on the heated print bed at 70.0°C. After cooling to room temperature at 20.3°C the rod measures 105.53 mm in length. Determine the coefficient of thermal expansion of the polymer.

A load of P = 395 lb is applied to beam ABC. Determine the vertical ground reaction at B. Let a = 36 in., b = 15 in., and c = 11 in.

A Bush’s Best can weighs 1.15 lb and is 2.95 in. in diameter. A Ro-Tel can weighs 0.77 lb and is 2.55 in. in diameter. What is the largest bearing stress that occurs between the cans and the table? Assume each can has a smooth base and sits flat on the table.

A Ro-Tel can weighs 0.78 lb and is 2.56 in. in diameter. A Libby’s can weighs 1.03 lb and is 2.86 in. in diameter. What is the largest bearing stress that occurs between the cans and the table? Assume each can has a smooth base and sits flat on the table.

A triangular piece of rubber is stretched causing A to move downward. Determine the magnitude of the shear strain that occurs at A when a = 31.4 mm, b = 62.8 mm, and c = 42.4 mm.

A load of 34 kN is applied to a square shape that protrudes 14.0 mm from a brass plate. The square shape has a width of 19.1 mm. Determine the average shear stress between the plate and the protrusion.

Axial loads are applied with rigid bearing plates to the solid cylindrical rods. One load of P = 130 kN is applied to the assembly at A, two loads Q = 30 kN are applied at B, and two loads R = 170 kN are applied at C. Determine the total change in length of the assembly.L1 = 0.20 m, E1 = 192 GPa, A1 = 0.0013 m2L2 = 0.46 m, E2 = 206 GPa, A2 = 0.0005 m2L3 = 0.32 m, E3 = 106 GPa, A3 = 0.0015 m2

A triangular piece of rubber is stretched causing A to move downward. Determine the magnitude of the shear strain that occurs at A when a = 38.7 mm, b = 77.4 mm, and c = 49.1 mm.

Axial loads are applied with rigid bearing plates to the solid cylindrical rods. One load of P = 100 kN is applied to the assembly at A, two loads Q = 40 kN are applied at B, and two loads R = 160 kN are applied at C. Determine the total change in length of the assembly.L1 = 0.22 m, E1 = 194 GPa, A1 = 0.0013 m2L2 = 0.42 m, E2 = 210 GPa, A2 = 0.0004 m2L3 = 0.32 m, E3 = 110 GPa, A3 = 0.0015 m2

A load of P = 230 lb is applied to beam ABC. Determine the vertical ground reaction at B. Let a = 33 in., b = 12 in., and c = 11 in.