JoyTech Newton’s Cradle Balance Desk Decor Collision Balls Decompression Science Psychology WJ208
Free Shipping Included! JoyTech Newton’s Cradle Balance Desk Decor Collision Balls Decompression Science Psychology WJ208 by JoyTech at Hard Ridiculous. MPN: WJ208-A. Hurry! Limited time offer. Offer valid only while supplies last. Features: Size: 18*15*18cm /7.09 *5.91*7.09 in. Weight: 913g / 32.21oz. Material: Wood + Metal + Nylon threads. Package Content: 1*Newton's
Size: 18*15*18cm /7.09 *5.91*7.09 in.
Weight: 913g / 32.21oz.
Material: Wood + Metal + Nylon threads.
1. It is not an item that never stops working. The balls continue in perpetual motion for ONLY 15-25 SECONDS due to the resistance of the air and friction if you know more about the law of energy conservation, you will not ask why.
2. The string may get tangled if not suitable playing. Please open package and play in a gentle manner to avoid tangled.
History of the toy
Newton's cradle, named after Sir Isaac Newton, is a device that demonstrates three main physics principles: conservation of energy, conservation of momentum and friction via a series of swinging spheres. Most people think that Isaac Newton invented the apparatus commonly called a Newton's Cradle, but he didn't. English actor Simon Preble invented the device in 1967 and named it in honor of Newton. In 1968 the first portable version hit the market and quickly gained popularity around the world as a fun, educational physics demonstrator.
Newton's cradle is a device that demonstrates conservation of momentum and energy using a series of swinging spheres. When one on the end is lifted and released, it strikes the stationary spheres; a force is transmitted through the stationary spheres and pushes the last one upward. The device is also known as Newton's balls or Executive Ball Clicker.
Features & Highlights
- SUPERIOR QUALITY ---- Durable black wooden base, nylon strings, metal balls, stainless steel frame.
- TIME KILLER---- When you get bored, it is a perfect desk toy to kill time, relieve stress and tune out boring coworkers.
- ENTERTAINMENT---- Pull back one or more of the balance balls, release them and the same number of balls will swing up on the opposite side. Fascinating to watch!
- PHYSICS EDUCATION---- This Newton's cradle balance ball Toy is a good practice of physics in action demonstrates the principles of kinetic energy and conservation of momentum.
- AMAZING GIFT AND DECOR---- It's a classic desk accessory is art-in-motion. This cool desk toy will be a good icebreaker when you lay it in your office desk or your home desk. VIDEO LINK: https://goo.gl/rwvrMe
|Item Weight:||2.01 pounds|
|Item Size:||5.91 x 7.09 x 7.09 inches|
|Package Weight:||2.01 pounds|
|Package Size:||7.87 x 6.3 x 6.3 inches|
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