Jepusje) war ()Cwi (OZ; =H ) oyos©)QCT0LU xoquy [a SUMERTITRTeIN| 9) Cla TR fi J) UZ SUPA...

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Dr Shweta · Accepted Answer

Ans 1. 
A) From the given figure it is clear that the zero force members are FGF, FEF, FCH
B) Free body diagram:
Firstly, we use the equilibrium equations: 
ΣV = 0 i.e., sum of all vertical forces = 0
Now, RA + RE-40 = 0
Or, RA + RE = 40 -----[1]
And as ΣMA = 0
RE *16 – 40 *12 = 0 -----[2]
Or, RE = 30KN
And RA = 10 KN
So, the FBD is: 
C) Forces in member AB, BI and IH is calculated as below: 
 
Here, tan Ɵ = 4/4 =1
Ɵ = 45 ͦ
            Here also,

Jepusje) war ()C wi (OZ ; =H ) oy os ©) Q CT / 0 LU xoquy [a SUMERTITRTeIN| 9) Cla TR fi J) UZ SUPA + I lJ ZZ ® 3pd'10SZZ4"LMH 3 iC EZ 0]0]" O IN Vd AH FEE) (A)...

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