ENGR 3131
P-roblem.it
:
simple tower
A
•
✗ ,y,z
A :(100,
ASGT
17 Jan 2022
,
-50,0 )
•
Height
:
is
1/3
kemntu Beth
No I
>
.
,
four cables
by
supported
.
10m
Force CT)
☐
in each
IOKN
:
g¥
.
B :( 75,750 )
C :( so ,
-
50,0 )
D :(-100 , -50,0)
•
Determine the force
the tower
on
( F= ? )
.
°
3
I
.
^Z
.•µ⑨D
10m
A•
•
•
B
(-50-0)^0+10-107K
=µ°%j¥¥#¥E,ga=
•
e
#
✗
Up:ñ (100-0) it
•
Vpp:( 75-01+(75-0) 'ut(o
-
0.891 i -0.4450--0.0891
lo )K
=¢>si,L§Y¥? g.)
/
"
=
0.7041+0.7040 -0.094k
,
•
Upc :(so -0) i. + (so -010+10 -101k
Ñ=Ei+FÉ+É+F☐
y-sqisg.gg#-::Y.-o,.)-.-o.i00it0?00i•
Vpd
=L -100-0)i+(
-
so -0 )j+( 0
=L"°oj¥¥j¥+,oy)=
1011N
((10.89111-10.704)+1-0.700)
1-
=
+
" "°"
-101K
112.2
-0.8mi -0.4460-0.089"
))É + ((-0.4451+10.704)+(0.70041-0.446)) I
(-0.1401+(-0-089)) ☒ ]
C- 0.891
(1-0.0891)+(-0-094)
lOKN[ 0.004 it 0.513J
.
+
-0.234k ]
=
0.04
it 5.13J
-
R=FÉ4f2.3Ñ=
2.34
5
.64kN__
EE
=
o
d)
ENGR31.SI#,2o22ASGT.N0.1KemntBet-2Problem2-:
Is it Safe
makes
•
•
•
45°
to
operate condition
w/
horizontal ?
when the
why
or
why
Block W : 15,000lb
Crane
Boom
•
:
:
boom
not
?
§
10,000lb
1,000lb
If it
is
safe to
operate
under
these
conditions
¥
F. B. D
is.EE#--7
a¥,oooeb•B
,
¥
of