An apparent force, proportional to a body's mass, that appears to affect the body within a noninertial frame but is absent from the point of view of an inertial frame. Centrifugal forces and Coriolis forces are inertial forces.
"inertial force." YourDictionary, n.d. Web. 15 January 2019. <https://www.yourdictionary.com/inertial-force>.
inertial force. (n.d.). Retrieved January 15th, 2019, from https://www.yourdictionary.com/inertial-force
An apparent force that appears to affect bodies within a non-inertial frame, but is absent from the point of view of an inertial frame. Centrifugal forces and Coriolis forces, both observed in rotating systems, are inertial forces. Inertial forces are proportional to the body's mass.