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A truss of span 6 m is loaded as shown in Fig. Find the reactions and forces in the members marked 4, 5 and 7 using method of section.

Question-Answer › Category: Engineering Mechanics › A truss of span 6 m is loaded as shown in Fig. Find the reactions and forces in the members marked 4, 5 and 7 using method of section.
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DME asked 1 year ago

A truss of span 6 m is loaded as shown in Fig. Find the reactions and forces in the members marked
4, 5 and 7 using method of section.
A truss of span 6 m is loaded as shown in given figure. Find the reactions and forces in the members marked 4.5 and 7 using m

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Sazid Ahmad answered 1 year ago

 

Answer :- Given truss, Triangle ADB is a a right angled triangle. &kN lod LOKN 3m KE 60 bo . B с om AA Figure (1) dir 00 .: ZD Joo A P re Pigure (2) AP AD Sin 30 sin qo 22 3 sin 30 singol :: X=-3x =1.5m = = BC = AB - Ae = 6-3 Be=3m Triangle BEC is Mii load of lok N acts of in of a distance of (6-2.25)=3.75 m From A. under Equilibrum EMA=0 0 Rex 6 = 8 *4.5 +10*3-45 = + RB10KN D Pt E Ps 30 B С PH 3m RB = 8.95k N -0 EME =0, considering only those forces that are present at the right hand side ofare EM2=0. considering only those forces which acting on right part of the section. Х 10X BE cos 30° +Ps x BE = 0 Ps = -10x10

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