Seeking the Centre, and Fleeing the Centre

Centripetal

• Centrum (centre) + Petere (to seek)
• A force that makes a body follows a curved path, always directed towards the centre

Centrifugal

• Centrum (centre) + Fugere (to flee)
• An inertial force relating to the curved movement or the reaction force of centripetal force.

Source: Centrifugal Forces & Lagrangian Point