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.

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Also called pseudo force.

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Scientific definitions for pseudo force

pseudo force
[ sōōdō ]

A physically apparent but nonexistent force felt by an observer in a noninertial frame (that is, a frame undergoing acceleration). Newton's laws of motion hold true within such a reference frame only if the existence of such a force is presumed. The centrifugal force is an example of a pseudo force.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.