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PROBLEM 10.79
A slender rod
AB
, of mass
m
, is attached to two blocks
A
and
B
that can
move freely in the guides shown. The constant of the spring is
k
, and the
spring is unstretched when
AB
is horizontal. Neglecting the weight of the
blocks, derive an equation in
,
θ
m
,
l
, and
k
that must be satisfied when
the rod is in equilibrium.
SOLUTION
Elongation of Spring:
sin
cos
s
lll
=+−
( )
sin
cos
1
sl
θθ
=+
−
Potential Energy:
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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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