A 3D printed polymer rod measures 150.00 mm in length while on the heated print bed at 52.9°C. After cooling to room temperature at 20.6°C the rod measures 149.54 mm in length. Determine the coefficient of thermal expansion of the polymer.

A load of P = 12,100 lb is applied to the connection. If the average shear stress in the bolts is limited to 32 ksi and the required factor of safety is 2.1, determine the minimum allowable bolt diameter.

If the length of a timber [E = 1,700 ksi] column cannot change by more than 0.020 in., determine the maximum load P that can be applied to the column. Let b = 5.00 in., d = 8.50 in., and L = 98 in.

A 3D printed polymer rod measures 166.00 mm in length while on the heated print bed at 58.9°C. After cooling to room temperature at 22.0°C the rod measures 165.57 mm in length. Determine the coefficient of thermal expansion of the polymer.

An upward load is applied to a circular rod that has a diameter of 10.12 mm. The rod is connected to the ground using a pin that has a diameter of 9.77 mm. If the normal stress in the rod is limited to 115 MPa and the average shear stress in the pin is limited to 185 MPa, determine the maximum load that can be applied to this connection.

If the length of a timber [E = 1,000 ksi] column cannot change by more than 0.015 in., determine the maximum load P that can be applied to the column. Let b = 4.25 in., d = 10.00 in., and L = 102 in.

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.

If the normal stress in rod (1) is limited to 220 MPa and the required factor of safety is 2.4, determine the maximum load P that can be applied to rod (2). Let a = 0.42 m, b = 0.72 m, and the cross-sectional area of rod (1) be 90 mm2.

If the length of a timber [E = 1,300 ksi] column cannot change by more than 0.045 in., determine the maximum load P that can be applied to the column. Let b = 4.50 in., d = 9.50 in., and L = 118 in.

An upward load is applied to a circular rod that has a diameter of 10.85 mm. The rod is connected to the ground using a pin that has a diameter of 9.62 mm. If the normal stress in the rod is limited to 245 MPa and the average shear stress in the pin is limited to 150 MPa, determine the maximum load that can be applied to this connection.