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.

Two pieces of high-density polyethylene [E = 0.87 GPa] tubing are fitted together and firmly clamped at their ends. A load of 180 N is applied to the fitting. Tube (1) is 145 mm long, and tube (2) is 110 mm long. Both tubes have an outsider diameter of 21.0 mm and an inside diameter of 15.2 mm. Determine the load carried by tube (1).

Reminder: You are expected to copy the problems on your paper for all exams! This is Question #2! Number it at such, and the rest of the numbers will follow. All other quizzes will follow this same numbering process.    What are the necessary resources for this class?            Hint: You can find them under 3rd heading in the Syllabus (III. Necessary Resources).     Honorlock will allow this link: $CANVAS_COURSE_REFERENCE$/assignments/syllabus 

A load of P = 760 lb is applied to beam ABC. Bar (1) is made of aluminum [E = 10,300 ksi] and has a square cross section with a width of 1.16 in. Determine the magnitude of the change in length of bar (1) due to the load. Let a = 35 in., b = 13 in., and c = 11 in.

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A load of P = 375 lb is applied to beam ABC. Bar (1) has a square cross section with a width of 1.15 in. If the normal stress in bar (1) is limited to 10 ksi, determine the factor of safety for bar (1). Let a = 34 in., b = 12 in., and c = 9 in.

A load of P = 595 lb is applied to beam ABC. Bar (1) is made of aluminum [E = 10,800 ksi] and has a square cross section with a width of 1.20 in. Determine the magnitude of the change in length of bar (1) due to the load. Let a = 37 in., b = 14 in., and c = 8 in.

A steel [E = 185 GPa] rod with a circular cross section is used as a weight hanger. The straight part of the rod is 160 mm long. Determine the minimum diameter D required if this portion of the rod must hold a tensile load of 8.8 N without stretching more than 0.00360 mm.

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.