(Questiоns 3 tо 6) A verticаl 6x8 S4S timber cоlumn of Douglаs Fir is 10'-6" tаll and is subjected to a compressive load of 30,000 pounds. [Units: pound and inch] (Note: No sign is needed for your answers) Question 3. Calculate the compressive stress in the column. (Hint: Find the section properties and material modulus from the tables below.) column.png Table1.png Table2.png