instantaneous axis

instantaneous axis

[¦in·stən¦tā·nē·əs ′ak·səs]
(mechanics)
The axis about which a rigid body is carrying out a pure rotation at a given instant in time.
References in periodicals archive ?
To calculate the local angular momentum contribution (HL) the angular momentum of the segment about an instantaneous axis of rotation perpendicular to the long axis of the segment was determined as:

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