Newton's cradle

Definitions

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.

Equivalents

Examples

“Continuous Collisions of Newton's Cradle (Executive Ball Clicker) in CMS”

“When executive desk toys first began to appear⟳, they tended to be ornamental gadgets made from such endlessly fascinating materials as sand and magnets. The Newton's Cradle or "Executive Ball Clicker," which demonstrates physics principles of momentum and energy, has been sold since the 1960s.”

“Whether you know⟳ it as Newton's Cradle or the Executive Ball Clicker, chances are you've seen the educational desk toy that seems to defy explanation.”

“Picture a Newtons Cradle, or as some call⟳ it an Executive Ball Clicker, sitting on someones desk, clicking and clacking away.”

CEFR level