Question
Asked Oct 25, 2019
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SKN
SKN
4m
4m
4m
4m
C
2KN
2 KN
2KN
Find internai Forcer (or ctrecses) at members
FH and GH buy method oF joi nt
Find in ter nal Forces (or strecces) ot members
BD and CE Using method oF Cection
AD
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SKN SKN 4m 4m 4m 4m C 2KN 2 KN 2KN Find internai Forcer (or ctrecses) at members FH and GH buy method oF joi nt Find in ter nal Forces (or strecces) ot members BD and CE Using method oF Cection AD

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Expert Answer

Step 1

Find the forces in the members using method of joints:

Let Ay be the vertical reaction at the roller support A.

Let Hx and Hy be the horizontal and vertical reactions at the hinged support H.

Equate sum of moments about point A is equal to zero.

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ΣΜ-0 н, х16- 2(12)-5(12)-2(8)-5(8)- 2(4) -о 16H148 н, -9.25KN

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Step 2

Let FFH be the force in the member FH and FGH be the force in the member GH.

Equate sum of forces along x direction is equal to zero and sum of forces along y-direction is equal to zero.

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ZH-0-> н, -0 ΣV-0 4,+H 2-2-2-5-5=0 A+9.25 2-2-2-5-5=0 A 6.75kN

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Step 3

Sketch the free body diagram of join...

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FFH н н 30 FGH х H9.25 kN Joint H

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Civil Engineering

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