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Physics
Physics
Problem
Consider a thin uniform square sheet made of a rigid material. If its side is
a
a
a
, mass
m
m
m
, and moment of inertia
I
I
I
about one of its diagonals, then: a.
I
>
m
a
2
12
I > \frac{ma^2}{12}
I
>
12
m
a
2
b.
m
a
2
24
<
I
<
m
a
2
12
\frac{ma^2}{24} < I < \frac{ma^2}{12}
24
m
a
2
<
I
<
12
m
a
2
c.
I
=
m
a
2
24
I = \frac{ma^2}{24}
I
=
24
m
a
2
d.
I
=
m
a
2
12
I = \frac{ma^2}{12}
I
=
12
m
a
2
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