- Inertiam mass is measure of opposition to acceleration.
- It is measured by Newtion's II law of motion.
- The inertial mass can be measured only when the body is moving.
- Gravitational mass is measure of force of attraction between the body and the earth.
- It is measured by Newton's law of gravitation.
- Gravitational mass can be measured when the body is at rest i.e., by using common balance.