Dynamics

Equivalent mass

m_eq

kg·m²

		x
kg·m²

1. Define values of all variables, besides sought quantity
2. Change units if necessary
3. Click "Calculate"

		variables: m_eq - reduced mass (mass, being at distance r from rotation axis, brings moment of inertia equal to moment of inertia of whole solid relatively the same axis) J - moment of inertia of solid r - distance from rotation axis to reduced mass