Newton's Cradle
SKU: 40789087933

Newton's Cradle

Sale price$35.10 Regular price$39.00
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Description

Newton's CradleNewton's Cradle is a physics demonstration apparatus that effectively showcases the concepts of momentum and energy conservation. It consists of a line of suspended metal balls that are put into motion to exhibit the transfer of kinetic energy through a series of collisions, making it a great tool for demonstrating these fundamental principles. Observed in motion, Newton's Cradle reveals the transfer of energy as each sphere is released, resulting in

Newton's Cradle is a physics demonstration apparatus that effectively showcases the concepts of momentum and energy conservation. It consists of a line of suspended metal balls that are put into motion to exhibit the transfer of kinetic energy through a series of collisions, making it a great tool for demonstrating these fundamental principles. 

Observed in motion, Newton's Cradle reveals the transfer of energy as each sphere is released, resulting in a corresponding movement of the opposite sphere. This effect multiplies as more spheres are released, creating a mesmerising and educational display of physics in action. The device was Sir Isaac Newton following his third law, for every force there is an equal and opposite force.

Product Code: SE.MS0279-01
Base Dimensions: 120x120mm (width x depth)
Height: 160mm
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SKU: 40789087933

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4.7 ★★★★★
Based on 503 reviews
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Verified Purchase
Calichef
Dallas, US
★★★★★ 5
Sturdy Shelf Brackets
I really like these shelf brackets. They seem very sturdy, which is great for my laundry room shelves over the washer & dryer pair. It's going to be great to FINALLY have shelves for laundry supplies or "buyers' club" household items like 12-packs of paper towels or 36-packs of T.P. I can hardly wait to have my sons install them so I can fill them up!
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Reviewed in the United States on August 13, 2023
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Verified Purchase
Gabby Powell
Draper, US
★★★★★ 5
Would buy again!
Color: Natural Wood, Size: 13.2inch(2PCS)
These were the perfect addition to our empty corner in our kitchen. Very sturdy and durable. Easy to install. Comes with mounting hardware.
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Reviewed in the United States on April 23, 2026
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Verified Purchase
Anne Erwin
Draper, US
★★★★★ 5
Beautiful shelves!
Color: Dark Walnut, Size: 8.5inch(2PCS)
Exactly what I needed! Very easy to install and looks great! Great value for the money.
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Reviewed in the United States on March 19, 2026
R
Verified Purchase
ron shaffer
Lowell, US
★★★★★ 5
Great value
Color: Natural Wood, Size: 8.5inch(2PCS)
Excellent, solid built shelves. Comes with every type of fastener you could possibly need to install. Even comes with a small level. Very impressed with it all and highly recommend.
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Reviewed in the United States on March 24, 2026
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Verified Purchase
D.O.
Pawtucket, US
★★★★★ 4
Nice shelf, install a bit problematic
Color: Dark Walnut, Size: 8.5inch(2PCS)
Nice little shelf, looks great, feels stable enough for my small accent lamp. Two issues: 1. The cutout in the corner is perfect for a cord >>>BUT<<< the plug itself CANNOT fit though that hole. You have to feed the cord through BEFORE INSTALL. So once it’s in, it’s IN. 2. Install seems pretty straight forward but it was not so easy! The rails are too thick for a pencil to go through the screw hole to mark placement. I had to physically hold everything in place and leveled WHILE I drilled. Rather annoying.
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Reviewed in the United States on January 12, 2026

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