Setback force | Article about setback force by The Free Dictionary
setback force[′set‚bak ‚fȯrs]
The rearward force of inertia which is created by the forward acceleration of a projectile or missile during its launching phase; the forces are directly proportional to the acceleration and mass of the parts being accelerated.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
As the crimp develops, the pellets are forced back by normal setback forces
, and the center of the plastic wad starts to bulge.
The lower-velocity loads, on the other hand, may not deform as many pellets via setback forces
, and the gas level at the muzzle will be lower to let the shot charge escape without taking a rap on the fanny from gas-pushed wads.