Newton's pendulum in action. Office accessory.
Keywords
pendulum,
mechanical,
system,
transformation,
energy,
kinetic,
potential,
force,
impulse,
collision,
energy conservation,
demonstration,
conservation,
toy,
product,
chrome,
ball,
metal,
desktop,
expensive,
physics,
law,
abstract,
interaction,
stable,
steel,
dark background,
process,
no people,
phenomena