Exercicios resolvidos de mecanica geral..

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-t) ;EM" = O: VI (7.. L.ff t)ú:6 IX -t-(L501bXIVft)
/ SOCúr.b 10/-[- ~
B

ú))

o:

- (Suou U,)(7 H)+ 2D (IZH)= O
]) =' /"f':lB.3

-(v/+-

IO'f.17)Wex:

(I)
C 1 C.
-

I

11'
5 ftD

f6k,"'S W = 600 Ib and c(", 1+5'" in (I):

Er

7 fi;

2.:e])

_ -

() lO
10 .

Li Ib

4l$

Lr;=

rtL"r = O: 2C +- 2(Cf6().1f. Ih) - (600 Ih)- (h-ú Ib) -(Som 16)", Q 7c=H~6~
(o)

2 (12S9)+2 {S:5"1,.)-1/,77-11f.s-3 Ld

=0
o

f

("c.hcc.1= )

=

1%5""/6

r. (b) ~


'= 960 Ib

t ..
,,(-

(t1.-

-

W

C .De
)j

pni"t of

ihtcr.sccJionr' s

r
0

4.6
V/'h~r,

Sc.e Saiu"';'"
trvck'
D=

,'H, S,ound. fr-,;n, B +u ::- 2.3"+0

c
ln.

Hoori-1:onro..!

d,·,frtnce

of Probo Lr. 5 fuy clcrJv,d,OID:::-ILf5'8.J-(Wi-/Olf.J7)i.osC<
is 460";1'

c1.(I):

(I)
O ,

d.-=(22i")SiY) '"'*',,:\)
c ••

:'0°_ (iOin.)Co~ 30

tip,

w(,

"''''v~
lI::, ,."

])::.
E

!"\a.K",''''3

00..>0'(

vJ:=

3000

l.(I) ~

/!.;'J-8.3-jIDI-f.17c"sC 1cin(tJ,j' '>'r,'I'" CO>1dlfl'wJ~ cbrarnd il1 Prel,o lf.8: O.S k;J :: Q ~ 3.5 kN ~

For

TIJ ~ IfkN, Er (I) ;/eldJ Q :: 0.5 +- {),75 (lf.)

39

3~11:1/~NT
I • L Io.~':' ().75~ 1.71t1

T

Q.

-D

j)l
r

•I•

'0.75,.,

.1

tE
Q

30 ~

\ 200 ti

+') '2 M", =0:

(3 kNXO,'Jn,)-(J kNYO.1SNl) +
Q == 0.25 kN

1 (2.Z~"')-

(3m ) -= O
(I) O

+ 0.757...D

-1-) Lf'IJ)'" o: (;

k.NXZ.7 S-,.,,)+

(i 1!.

q. :3 ,."

TY\ 0",-

!'_-;, 3 k,'/,," 2. 3G.1" 8.
f'\LJ'\-

kJ
______________________

c

(8) Lf (0"rJ-.

l",rn"r

r"~o..tf-,'t",(

(furuVjh:0)

i""p-up-'íl'í c..:o",drtl.i'''t'J p. R.~...or,·"""s ewL stz:..t.ir,J~rcr"';"'Atc::

F1Jt(

C,

No ~",ilc"'"'''-'''''

(:?::. M.D 'lo)MV\-psrdld r~et,O>1.s
wv.tl'.!

2 Lfr)",,,,,

-= 22.62"
F",,-cc.
Lo,>,/
()f

r'0

Si.., Ju~ =- 7S
75'"

2()() '"

=-

IZ)'mll-t

K

Ree.ch'onar C
fr,rÓ~\Qh

fYJusf

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