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PROBLEM 10.83
A slender rod
AB
of negligible weight is attached to two collars
A
and
B
that
can move freely along the guide rods shown. Knowing that
o
30
β
=
and
100 lb,
PQ
==
determine the value of the angle
θ
corresponding to
equilibrium.
SOLUTION
Law of Sines
()
sin 90
sin 90
A
yL
θβ
=
°+
−
−
cos
cos
A
ββ
=
−
or
( )
cos
cos
A
−
=
From the figure:
( )
cos
cos
cos
B
L
−
=−
Potential Energy:
( )
( )
cos
cos
cos
cos
cos
BA
VP
y
Q
y
P
L
L
Q
L
βθ
−−
−
−
−
( )
( )
sin
sin
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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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