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 = 50 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 = 0.26 m, E1 = 196 GPa, A1 = 0.0012 m2L2 = 0.44 m, E2 = 208 GPa, A2 = 0.0004 m2L3 = 0.38 m, E3 = 110 GPa, A3 = 0.0016 m2

A load of P = 380 lb is applied to beam ABC. Bar (1) has a square cross section with a width of 1.05 in. If the normal stress in bar (1) is limited to 12 ksi, determine the factor of safety for bar (1). Let a = 35 in., b = 15 in., and c = 8 in.

A short column is composed of two steel [E = 30,000 ksi, ν = 0.30] segments, each with a length of 5.6 in. Segment (1) is hollow with an outside diameter of 1.20 in. and a wall thickness of 0.15 in. Segment (2) is hollow with an outside diameter of 1.50 in. and a wall thickness of 0.15 in. How much shorter does the column become after a load of P = 710 lb is applied?

A short column is composed of two steel [E = 31,000 ksi, ν = 0.29] segments, each with a length of 5.7 in. Segment (1) is hollow with an outside diameter of 1.30 in. and a wall thickness of 0.14 in. Segment (2) is hollow with an outside diameter of 1.58 in. and a wall thickness of 0.14 in. How much shorter does the column become after a load of P = 670 lb is applied?

A load of P = 320 lb is applied to beam ABC. Bar (1) has a square cross section with a width of 0.95 in. If the normal stress in bar (1) is limited to 14 ksi, determine the factor of safety for bar (1). Let a = 29 in., b = 14 in., and c = 8 in.

A load of P = 740 lb is applied to beam ABC. Bar (1) is made of aluminum [E = 10,200 ksi] and has a square cross section with a width of 1.15 in. Determine the magnitude of the change in length of bar (1) due to the load. Let a = 32 in., b = 13 in., and c = 11 in.

A steel [E = 195 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 11.0 N without stretching more than 0.00310 mm.

A load of P = 395 lb is applied to beam ABC. Determine the normal force in bar (1). Let a = 35 in., b = 15 in., and c = 9 in.

A 3D printed polymer rod measures 126.00 mm in length while on the heated print bed at 54.5°C. After cooling to room temperature at 20.0°C the rod measures 125.73 mm in length. Determine the coefficient of thermal expansion of the polymer.

A load of P = 470 lb is applied to beam ABC. Determine the normal force in bar (1). Let a = 31 in., b = 15 in., and c = 9 in.