fictitious force

fictitious force

noun Physics.
any force that is postulated to account for apparent deviations from newton's laws of motion appearing in an accelerated reference system.
Also called pseudo force.
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Fictitious force is always a great word to know.
So is energy. Does it mean:
of or pertaining to the molecular force within a body or substance acting to unite its parts
the property of a system that diminishes when the system does work on any other system, by an amount equal to the work so done
Encyclopedia Britannica
Encyclopedia

fictitious force

any force invoked by an observer to maintain the validity of Isaac Newton's second law of motion in a reference frame that is rotating or otherwise accelerating at a constant rate. For specific inertial forces, see centrifugal force; Coriolis force; d'Alembert's principle.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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