Question: In the structure shown, 1 2 m m diameter pin is used at C and the cable A D has a diameter of 8 m

In the structure shown, 12mm diameter pin is used at C and the cable AD has a diameter of 8mm. The ultimate shearing stress for the pin at C is 70MPa and ultimate normal stress for the cable is 120MPa. For factor of safety of 3, determine
(a) The allowable force P that can be applied
(b) Explain, with a logical reason, why the allowable value is a maximum/minimum?
In the structure shown, 1 2 m m diameter pin is

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