Newtons Cradle Steel Balance Balls Physics Science Pendulum 5 1/4 Desk Accessory
Approximately 5 1/4" tall
Looking for the 2 3/4" Newtons' Cradle?
Balance Balls are a classic desk toy. Also known as Newtons Cradle, the clacking of the steel balls will keep you entertained throughout the day. Pull back one or more of the balls, release them and the same number of balls will swing up on the opposite side. This set of balance balls is fun for the office and makes a great desktop gift. The apparatus usually consists of an odd number of identical steel balls each suspended by a bifilar suspension from a sturdy frame.
The balls are carefully aligned along a horizontal line, just touching. When the ball on one end is pulled aside and allowed to swing as a pendulum, it hits the next ball. But the outcome is fascinating, the one ball on the far end is knocked away from the others with the same speed as the first ball had initially and all of the other balls remain nearly at rest. If you pull back two balls and let them strike the others, two balls are knocked from the other end, and all the other balls remain nearly at rest.
Picture dimonstrates the motion of the balls. Balls do not go forever as shown in picture.
Book NOT INCLUDED
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