A 3D printed polymer rod measures 122.00 mm in length while on the heated print bed at 51.3°C. After cooling to room temperature at 20.0°C the rod measures 121.71 mm in length. Determine the coefficient of thermal expansion of the polymer.

If the double-shear pin at D has a diameter of 0.535 in., an allowable shear strength of 13 ksi, and a factor of safety of 1.9, determine the maximum load P that can be applied to beam ABC. Let a = 32 in., b = 13 in., and c = 11 in.

A short column is composed of two steel [E = 31,000 ksi, ν = 0.29] segments, each with a length of 4.0 in. Segment (1) is hollow with an outside diameter of 1.10 in. and a wall thickness of 0.16 in. Segment (2) is hollow with an outside diameter of 1.42 in. and a wall thickness of 0.16 in. How much shorter does the column become after a load of P = 630 lb is applied?

If the double-shear pin at D has a diameter of 0.580 in., an allowable shear strength of 18 ksi, and a factor of safety of 1.6, determine the maximum load P that can be applied to beam ABC. Let a = 30 in., b = 12 in., and c = 9 in.

Two pieces of high-density polyethylene [E = 0.89 GPa] tubing are fitted together and firmly clamped at their ends. A load of 183 N is applied to the fitting. Tube (1) is 145 mm long, and tube (2) is 105 mm long. Both tubes have an outsider diameter of 23.0 mm and an inside diameter of 17.4 mm. Determine the load carried by tube (2).

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 = 40 kN are applied at B, and two loads R = 150 kN are applied at C. Determine the total change in length of the assembly.L1 = 0.26 m, E1 = 196 GPa, A1 = 0.0014 m2L2 = 0.40 m, E2 = 212 GPa, A2 = 0.0004 m2L3 = 0.38 m, E3 = 108 GPa, A3 = 0.0016 m2

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 = 20 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 = 0.28 m, E1 = 190 GPa, A1 = 0.0014 m2L2 = 0.40 m, E2 = 202 GPa, A2 = 0.0004 m2L3 = 0.38 m, E3 = 106 GPa, A3 = 0.0015 m2

A load of P = 300 lb is applied to beam ABC. Determine the normal force in bar (1). Let a = 29 in., b = 15 in., and c = 8 in.

A load of P = 235 lb is applied to beam ABC. Determine the normal force in bar (1). Let a = 30 in., b = 13 in., and c = 8 in.

A load of P = 345 lb is applied to beam ABC. Bar (1) has a square cross section with a width of 0.85 in. If the normal stress in bar (1) is limited to 13 ksi, determine the factor of safety for bar (1). Let a = 40 in., b = 14 in., and c = 9 in.