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Unformatted text preview: 3&9  (19243: ﬁfﬁjas’ MSEWMS Wkﬁgl A: { A sign is suspended from two chains AE and BF. Knowing that the tension in BF is 200 N, determine (a) the moment about A of the force ex erted by the chain at B, (b) the smallest force appﬁed at C which creates the
same moment about A .92 141 50 c{MEETS
22—142 100 SHEETS
2? 144 200 SHEETS A Sign is suspended from two chains AE anti BF. Knowing that the
tension in BF is 200 N, determine (a) the moment about Aof the force ex
erted by the Chain at B , (b) the magnitude and sense of the vertical force ap
plied at C which creates the same moment about A, (c) the smallest force
applied at B which creates the same moment about A. 9‘) MKS; I A ngé'g’ (Mr) B ,u t  c W) dressseem m9: 523mg? ..— + 253:5. H— wig" A (W5) == 225+ 35.37; 1g. 91" _.
MA: “68.? {a  8t 19¢"?{2ﬂ'6 zit{5V} D
 Mg?? "Hﬁi :z. W 40%31, __ _
m8; §
3 Wzé It is known that a force with a moment of 1152 N  In about D is.
requiredto straighten the fence post CD. .If the capacity of the winch purse!»
AB is 2880 N, determine the minimum value of distance d to create the spec—
iﬁed moment about point D knowing that a = 0.24 m and b = 1.05 m. 22141 50 SHEET“;
D 22142 1G0 SHEETS
22144 200 SHEETS 2680! [.05)& :EC @6250!)3 = (LosfEQHQZQZ'
(33951625092 4? 1+ MM + M60!
@IMEQM: 589$: 0%8J‘L/é :0 i
5% :_’01‘405M— eh. + 0%ng é=u$+ ...
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This note was uploaded on 02/23/2012 for the course CE 2450 taught by Professor ? during the Spring '08 term at LSU.
 Spring '08
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