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Unformatted text preview: ?2141 50 SHEETS
22—142 190 SHEETS
200 SHEETS 22144 mm ' '
AMFAD , A Sign is suspended from two chains AE and BE Knowing that the
tension in BF is 200 N, determine (a) the moment about A of the force ex~ erted bythe chain at B, (b) the smallest force apph’ed at C which creates the
same moment about A. A Sign is suspended from two Chains AE and BF. Knowing that the
tension in BF 15 200 N. determine (a ) the moment about A of 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 (a) the smallest force
applied at B which creates the same moment about A.  Kmxgzw 21> m1 item it 1:11 ammo: W
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“@2712?in :be PT: A _) 22—141 50 SHEETS
192142 100 SHEETS
22—144 200 SHEETS It is known that a force With a moment of 1152 N  m about D is.
required to straighten the fence post CD. If the capacity of the winch puller;
AB is 2880 N, determine the minimum value of distance d to create the spec
iﬁed moment about point D lmowing that a = 0.24 In and 19 = 1.05 m. £39062§A092 5’ oftr 0,45% +L/eor
63mm“: Seaf— 0.48::0—L/é =0 _
5e : «0.4051»— e’L + 0.462» a=us+g+ ...
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 Spring '08
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