6. The centers of mass (with centimeters understood) for each of the five sides are as
follows:
111
222
333
444
( ,
, )
(0,20,20)
for the side in the
plane
( ,
,
)
(20,0,20)
for the side in the
plane
( ,
,
)
(20,20,0)
for the side in the
plane
( ,
,
)
(40,20,20)
for the remaining side paral
xyz
y
z
x
z
x
y
=
=
=
=
555
lel to side 1
( ,
,
)
(20,40,20)
for the remaining side parallel to side 2
=
Recognizing that all sides have the same mass
m
, we plug these into Eq. 95 to obtain the
results (the first two being expected based on the symmetry of the problem).
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.
 Spring '08
 Any
 Physics, Mass

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