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A load of P = 415 lb is applied to beam ABC. Determine the normal force in bar (1). Let a = 39 in., b = 13 in., and c = 10 in.

Two pieces of high-density polyethylene [E = 0.94 GPa] tubing are fitted together and firmly clamped at their ends. A load of 107 N is applied to the fitting. Tube (1) is 140 mm long, and tube (2) is 100 mm long. Both tubes have an outsider diameter of 23.0 mm and an inside diameter of 18.4 mm. Determine the load carried by tube (2).

A load of P = 265 lb is applied to beam ABC. Determine the normal force in bar (1). Let a = 37 in., b = 12 in., and c = 8 in.

A steel [E = 205 GPa] rod with a circular cross section is used as a weight hanger. The straight part of the rod is 130 mm long. Determine the minimum diameter D required if this portion of the rod must hold a tensile load of 9.8 N without stretching more than 0.00270 mm.

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A load of P = 260 lb is applied to beam ABC. Bar (1) has a square cross section with a width of 1.11 in. If the normal stress in bar (1) is limited to 15 ksi, determine the factor of safety for bar (1). Let a = 29 in., b = 13 in., and c = 10 in.

A 3D printed polymer rod measures 167.00 mm in length while on the heated print bed at 57.8°C. After cooling to room temperature at 20.6°C the rod measures 166.61 mm in length. Determine the coefficient of thermal expansion of the polymer.

A load of P = 525 lb is applied to beam ABC. Bar (1) is made of aluminum [E = 10,400 ksi] and has a square cross section with a width of 0.86 in. Determine the magnitude of the change in length of bar (1) due to the load. Let a = 31 in., b = 14 in., and c = 8 in.

A load of P = 245 lb is applied to beam ABC. Determine the normal force in bar (1). Let a = 37 in., b = 13 in., and c = 9 in.

Axial loads are applied with rigid bearing plates to the solid cylindrical rods. One load of P = 120 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 = 194 GPa, A1 = 0.0014 m2L2 = 0.44 m, E2 = 202 GPa, A2 = 0.0005 m2L3 = 0.32 m, E3 = 106 GPa, A3 = 0.0016 m2