Newton's cradle (English, noun)
expansion: Newton's cradle (plural Newton's cradles)
Senses:
glosses: 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.
Forms:
form: Newton's cradles
tags: plural
form: Newton's Cradle
tags: alternative