Newton's Pendulum is a tabletop demonstration installation in which five equal-mass spheres are held in place by slings, in close alignment with each other.

When swinging the rightmost ball and colliding with four other balls in close proximity on the swing back, the leftmost ball will be ejected.

The experiment purpose is

1. Strengthen and develop hands-on ability

2. Understand the experimental cognition of the law of conservation of energy in elastic collision

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