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A puil break-off shot
In a gemme o puil, momentum is conserved; that is, if ane baw stops dead efter the colleesion, the ither baw will continue away wi aw the momentum. If the movin baw continues or is deflectit then baith baws will carry a portion o the momentum frae the colleesion.
Common seembols
p, p
SI unitkg m/s or N s

In clessical mechanics, linear momentum or translational momentum (pl. momenta; SI unit kg m/s, or equivalently, N s) is the product o the mass an velocity o an object.