Quiz01 -...

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Unformatted text preview: The
cables
AB
and
AC
are
attached
to
the
top
of
the
transmission
tower.
The
tension
in
cable
AC
is
8
kN.
Determine
the
 required
tension
T

in
cable
AB
such
that
the
net
effect
of
the
two
cable
tensions
is
a
downward
force
at
point
A.
 Determine
the
magnitude
R
of
this
downward
force.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 The
tension
in
cable
AB
is
85.8%
of
the
weight
of
the
cylinder
of
mass
m,
while
the
tension
in
cable
AC
is
55.5%
of
the
 suspended
weight.
Write
each
tension
force
acting
on
point
A
as
a
vector
if
the
mass
is
60kg.
(g=10m/sec2)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 A
force
F
acts
along
the
line
AB
inside
the
right
circular
cylindrical
shell
as
shown.
The
quantities
r,
h,
θ and
F
are
known.
 Using
the
x‐,
y‐,
and

z‐
coordinates
shown,
express
F
as
a
vector
and
also
find
its
magnitude.
 
 
 ...
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This note was uploaded on 01/25/2009 for the course EM 306 taught by Professor Rodin during the Fall '07 term at University of Texas at Austin.

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