Newton's cradle

See also: Newton's Cradle

English

Newton's cradle in motion.

Alternative forms

• Newton's Cradle

Etymology

Named after Isaac Newton.

Noun

Newton's cradle (plural Newton's cradles)

1. A device that demonstrates conservation of momentum and energy via a series of swinging spheres. When a sphere at one end is lifted and released, the resulting force travels through the line and pushes the opposite sphere upward, repeating the process as it swings back down.

Synonyms

• Executive Ball Clicker