AndreaBiersack AndreaBiersack
  • 24-11-2015
  • Physics
contestada

In a game of pool, why will the balls eventually stop after a collision?

Respuesta :

AL2006
AL2006 AL2006
  • 24-11-2015

As a ball rolls ... even if there were no air resistance ... the ball
has to push down and climb over every one of those little fibers
that stick up from the felt fabric on the table.  As it does that, each
little fiber brushes against the ball, and robs a tiny tiny bit of its
kinetic energy. 

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