7/26/2019 Equilibrium
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3.1
3.2
3.3
!introdution 1.3
$#"! % '"#(& )*+,$-
./ 0 % 45123 76 !/)0( =R
89:-;$
:? !@9-( BA ./ !0 C
== 0FR ,
== 0MM "#u$tion 1
!"#ui%i&riu' in ()o *i'+n,ion 2.3
D E G F@9 *"
7/26/2019 Equilibrium
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%+%9"(I& 123 P7 45 % +6Z (+B %G] N>9T9@] D ' 6+
!7 ?#% W+> ^L (I%_.+Q%- !@!?#% ' & W+> ^L `@
K%,6a"2( ?P1' @JT6a 9)&
D S! ? %! ca C[@B
1:9
D
7/26/2019 Equilibrium
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C?! 1$>D
&NcG {@09~C9 >?! 1$>D
&NcG &OP " C
bmio hlhC$-&
D E @!9 S&;$@ R>./ 0 H/ N
C=> (%?! Z 5GJ S"@ )^
7/26/2019 Equilibrium
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> !@$-)-9 ?@ J? !$-B S!
7/26/2019 Equilibrium
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C2!CI a@ BE "79T9@]
CJ7,
Fx=0
Ha=0
Fy=0
Va+Vb20=0Eq1
q
7/26/2019 Equilibrium
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MA=0
Vb5202.5=0Vb=10KN
E JH?@ @9
Va+1020=0
Va=10KN
# J >!3I a@ BE "79T9@]
J7,
Fx=0
Ha=0
Fy=0
Va+Vb6=0Eq1
MA=0
Vb30620=0Vb=4 kip
E JH?@ @9Va+46=0
Va=2kip
B"79T9@]#"!JI 2 % OGP! '|~ a@
7/26/2019 Equilibrium
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1E" !KI -"$$;~B"5! "7 JHrr{&o9:-S8#"
,'+%&Lro0>;9
B"799 2 % OGP! 'Ya@ IJ]:S! "#[@T~&
I a@ B"79T9@] " ^LB W:zrr{& % OGP! '6!
7/26/2019 Equilibrium
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C ^L M $ ? 15 B"5! "70 $rh&
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