collision balls 1
Palabras clave
collision,
ball,
metal,
glasses,
momentum,
kinetic,
energy,
pendulum,
risk,
team,
link,
broken,
swinging,
hanging,
wood,
white,
background,
movement,
work,
physics,
clock,
precise,
continuous,
constant,
move,
non-stop,
danger
){kind=link}