Newton's cradle
( plural )
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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.
Newton's cradle
The Newton's cradle on my desk demonstrated conservation of momentum and energy when I lifted one sphere and released it, watching the force travel through the line and push the opposite sphere upward.
The Newton's cradle on my desk demonstrated conservation of momentum and energy when I lifted one sphere and released it, watching the force travel through the line and push the opposite sphere upward.
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