A Turning Tetrahedron
The tetrahedron's a simple solid, but its moment of inertia isn't in the usual tables, so I thought I'd calculate it. There are two calculations here: one's straightforward but long, the other's short and cunning.
Martin Oldfield, 05 Jun 2013
A Spinning Sphere
Calculating the moment of inertia of sphere. Overlong in itself, but hopefully a fine preliminary to the related calculation for a tetrahedron.
Martin Oldfield, 05 Jun 2013
Moments of Inertia
Some basic facts about the moment of inertia
Martin Oldfield, 05 Jun 2013
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