Solid disk about central axis¶

A solid disk (cylinder) rotates about its central axis (axis of cylindrical symmetry).

Conditions:

The disk is uniform.

Links:

Wikipedia, sixth row of table.

rotational_inertia¶

rotational_inertia of the disk.

Symbol:: I
Latex:: \(I\)
Dimension:: length**2*mass

radius¶

radius of the disk.

Symbol:: r
Latex:: \(r\)
Dimension:: length

mass¶

The mass of the disk.

Symbol:: m
Latex:: \(m\)
Dimension:: mass

law¶

I = m * r^2 / 2

Latex:: \[I = \frac{m r^{2}}{2}\]