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PROBLEM 10.49
Knowing that the coefficient of static friction between collar
C
and the
vertical rod is 0.40, determine the magnitude of the largest and smallest
couple
M
for which equilibrium is maintained in the position shown
when
o
35 ,
θ
=
30 in.,
l
=
and
1.2 kips.
P
=
SOLUTION
From the analysis of Problem 10.48, we have
()
max
2t
a
n
s
Pl
M
µ
=
+
With
35 ,
30 in.,
1.25 kips
lP
=°
=
=
( )( )
max
1200 lb 30 in.
59,958.5 lb in.
a
n3
5
0
.
4
M
==
⋅
°−
4996.5 lb ft
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This note was uploaded on 07/11/2011 for the course EGM 2511 taught by Professor Jenkins during the Spring '08 term at University of Florida.
 Spring '08
 Jenkins
 Statics

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