Parallel Axis Theorem
I = I_cm + m·d^2
What it says
The moment of inertia about any axis equals the moment of inertia about a parallel axis through the center of mass plus the mass times the square of the distance between the two axes.
Symbols
| Symbol | Quantity | Dimension |
|---|---|---|
I | Moment of inertia about axis (kg·m^2) | M L^2 |
I_cm | Moment of inertia about center of mass (kg·m^2) | M L^2 |
m | Mass (kg) | M |
d | Distance between axes (m) | L |
Work it out
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Connects to
Filed under Mechanics · derive through it in the explorer