A 3D printed polymer rod measures 193.00 mm in length while on the heated print bed at 67.1°C. After cooling to room temperature at 22.0°C the rod measures 192.36 mm in length. Determine the coefficient of thermal expansion of the polymer.

If rod (1) elongates 0.258 mm and rod (2) elongates 0.435 mm, determine how far downward E moves. Let a = 0.43 m and b = 0.71 m.

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 = 30 kN are applied at B, and two loads R = 130 kN are applied at C. Determine the total change in length of the assembly.L1 = 0.20 m, E1 = 196 GPa, A1 = 0.0014 m2L2 = 0.46 m, E2 = 206 GPa, A2 = 0.0004 m2L3 = 0.38 m, E3 = 104 GPa, A3 = 0.0015 m2

If the length of a timber column cannot change by more than 0.050 in., determine the maximum load P that can be applied to the column. Let b = 5.50 in., d = 10.00 in., and L = 104 in.

If the length of a timber column cannot change by more than 0.045 in., determine the maximum load P that can be applied to the column. Let b = 6.00 in., d = 10.00 in., and L = 98 in.

If the normal stress in rod (1) is limited to 260 MPa and the required factor of safety is 2.5, determine the maximum load P that can be applied to rod (2). Let a = 0.39 m, b = 0.75 m, and the cross-sectional area of rod (1) be 210 mm2.

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 = 170 kN are applied at C. Determine the total change in length of the assembly.L1 = 0.24 m, E1 = 194 GPa, A1 = 0.0013 m2L2 = 0.48 m, E2 = 200 GPa, A2 = 0.0003 m2L3 = 0.32 m, E3 = 108 GPa, A3 = 0.0015 m2

If a load of P = 13 kN is applied to rod (2), determine the magnitude of the resultant force at C. Let a = 0.35 m and b = 0.67 m.

If rod (1) elongates 0.353 mm and rod (2) elongates 0.314 mm, determine how far downward E moves. Let a = 0.38 m and b = 0.68 m.

If a load of P = 14 kN is applied to rod (2), determine the magnitude of the resultant force at C. Let a = 0.50 m and b = 0.82 m.