For a design allowable tension stress of 140 mpa and a

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1.For the pinned frame below subjected to a 500 kN lateral force, what are the internal forces in each member?

2.For a design allowable tension stress of 140 Mpa and a design allowable compression stress of 100 Mpa, what is the required cross sectional area of each member?

3. The structure is assembled at 70 F and then heated to 300 F. What is the axial thermal stress and strain in AB if the structure is made out of wood (CTE= 0.000020/degF) or aluminum ?

4. Lets design the members if they are made of wood(compression and tension design strength = 5000psi) or aluminum . Do not use any safety factors. Can you use any of the wood or aluminum pieces shown below.

Reference no: EM13459955

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