Last Updated：2025/12/06
Sentence
薄い金属ディスクの慣性モーメントを計算するとき、面に垂直な軸に関する平面ラミナの慣性モーメントが、面内の互いに直交する二つの軸に関する慣性モーメントの和に等しいという定理を適用すると、面外の慣性モーメントを面内の慣性モーメントの和として扱えるため計算が簡単になります。
Quizzes for review
When calculating the moment of inertia of a thin metal disk, applying the perpendicular axis theorem simplifies the work by relating the out-of-plane moment to the sum of the in-plane moments.
See correct answer
When calculating the moment of inertia of a thin metal disk, applying the perpendicular axis theorem simplifies the work by relating the out-of-plane moment to the sum of the in-plane moments.
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Related words
perpendicular axis theorem
Noun
uncountable
(physics)
A
theorem
that
states
the
moment
of
inertia
of
a
planar
lamina
(i.e.
2-D
body)
about
an
axis
perpendicular
to
the
plane
of
the
lamina
is
equal
to
the
sum
of
the
moments
of
inertia
of
the
lamina
about
the
two
axes
at
right
angles
to
each
other,
in
its
own
plane
intersecting
each
other
at
the
point
where
the
perpendicular
axis
passes
through
it.
Japanese Meaning
物理学における定理で、平面状の薄い板（2次元の物体）について、板の面に垂直な軸周りの慣性モーメントは、板内部に存在する互いに直交する2つの軸（交点は垂直軸が通過する点）の周りの慣性モーメントの和に等しいという定理です。
English - English
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