Question 3 5 pts A square bar used as a mechanical link in an automated packaging machine is subjected to a tensile force F The force, dimensions and material are listed below. All answers are in SAE units. Force (F) = 7,500 lbf Length (L) = 4.00 ft Side (b) = 0.55 inch Material AISI 1020 Temper =L = normalized at 870C (1600F) 3.1. Determine the beam stress when it is loaded in tension with force F. Round your answer to the nearest whole number. Provide your answer in lbf/in. 3.2. Determine the Factor of Safety (FOS) of the determined stress compared to yield strength. Round your answer to the nearest one decimal place.