positive acceleration


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positive acceleration

[′päz·əd·iv ak‚sel·ə′rā·shən]
(mechanics)
Accelerating force in an upward sense or direction, such as from bottom to top, or from seat to head;
The acceleration in the direction that this force is applied.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Bus travel to and from site: Motion sickness, injury from other person's motion sickness, injury from being thrown during sudden massive negative or positive acceleration, tripping hazard when entering or exiting vehicle or moving down the aisle, overheating during transit, objects coming through open windows, injuries from vehicle being involved in accident, chill hazard from open windows, injury from student putting head or limbs out of window, injury caused by own or other student's inappropriate behavior.
Features include "smart" board sensing and automatic variable-speed positive acceleration. Also available are the compatible high-production Hasko SR-Series gang ripsaws and complete turnkey systems.
The vestibular stimuli applied in this study were repetitive short-duration rotatory movements (stepwise angular accelerations, clockwise [CW] and counterclockwise [CCW] in consecutive trials) of the subject's entire body around a vertical axis, The onset of the positive acceleration served as a trigger impulse for averaging the EEG segments.