Question: A pin - connected structure is supported and loaded as shown. Member ABCD is rigid and is horizontal before the load P is applied. Bars

A pin-connected structure is supported and loaded as shown. Member ABCD is rigid and is
horizontal before the load P is applied. Bars (1) and (2) are both made from steel
=28700ksi and both have a cross-sectional area of 1.42in2. Assume L1=63in.,L2=135in.,
a=64in..,b=102in., and c=30in. If the normal stress in each steel bar must be limited to 19 ksi ,
determine the maximum load P that.may be applied to the rigid bar.
Answer: P=
kips.
A pin - connected structure is supported and

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