3D Exam Problem Solutions

# 3D Exam Problem Solutions - Emblem ﬂ L F3 1/1 The bent...

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Unformatted text preview: Emblem ﬂ L F3 1/1 The bent bar ABE-1D is suppotmd by a hearing at A, a cable at B, and a ball and socket joint at D. The weight of the bar is negligible compared with the see N weight hanging from the bar at E. The hearing at A is capable of supporting only: yr and 2 components of force (this hearing does not apply a couple to the bar). a} Drawfreebodydiagramsofdieharasitappearsintltexzplane.theyzpiane,and the xy plane. Include the proper direction of the tension T in cable CB, as it appears in these planar views. ' h] Compute the tension in the cable. the yr and 2 components of force exerted on the barstA.andthex,y,andzcomponentsofthe forceexertedontheharatD. {'3’ l SaLUl—lﬂw 1. Thowoldodtobularﬁninoofnogligihlomassconsistsofnhoﬁaontaihm-(BB'A‘A}, % M _nvorticalsooth'QIhntisnroldodtotbohorizaootalboratﬂ'.aodaho1i.znontalso-nt (A'Emaxisweldadmmehaommlbammmomompmmdbyabanmd sockotjointatkbyamoﬁniogotﬂandbynmﬁroﬂmismohodatpointgﬂand D. Thoﬁnmosopportsaﬁﬂﬂlhbaﬂthatisannohodmthohmtalsn-ut (a) meﬂoobodydingrnmsofthoﬁannasitappwsinﬁnoxy,xzandyzplam. [b] Determinethan,nandzoomponontsofmoforoooxortodonﬂmframobytho wirontCandootm-oﬁnomctcnsioomthom. to) Write down oquaﬁons that can be solved {by anyone who knows anobra) to compute tho I: and 3' components of tho foroo exortod by tho ring at?» {You don't noon to salvo tho equations.) ' 73M . am=wﬁxi=wt at; ”CD IN x5 2?: 3.} PM“? ”ﬂu-G =y “ 77k: ‘35): i 3X3§ﬁ+77§ +3Tyzqg%ihﬁg¢§liigilm pasitionx=5 m. Dﬂntnincﬂlc mnn‘msinnhccabmnn mam- ' [Neglect the weigh of ﬂu: hook-mum" assemhly that I 73" supports the [and L.) '31+1"+gz d ...
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• Fall '07
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