line of fall

line of fall

[′līn əv ¦fȯl]
(mechanics)
The line tangent to the ballistic trajectory at the level point.
References in periodicals archive ?
Sensatec|RFT has introduced its new line of fall alert systems that provide restraint-free monitoring for residents at risk of injury from falls.
has added the new TABS[R] Professional to its line of fall monitors.