Thread
:
moment of inertia of a rectangular prism
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Jan22-10, 07:58 PM
#
13
benhou
Quote by
Bob S
∫
-y/2
+y/2
∫
-x/2
+x/2
ρ[x
2
+y
2
] dx dy =2∫
o
x/2
ρyx
2
dx +2∫
o
y/2
ρxy
2
dy
wait, how did the dy become y and dx become x? This was the derivation of the rectangular prism formula.
