product description:
Specifications: Size: 9*9*7.5cm/ 3.54*3.54*2.95inch
Material: Solid wood, stainless steel balls & structure
Occasions: Home&Office&School, Education supplies, Psychotherapy, Holiday Birthday present, Business gift
Package:
1x Frame with 5 balls
1x Wooden Base
Physical principles:
Based on the law of conservation of momentum and energy conservation, due to resistance reason, Newton s cradle will not swing forever. Usually, when under normal circumstances, the balls will swing about 15 seconds. But because different force and environment, the swing time will be different.
Warm Prompt: When you use this newton s cradle, please move it in a horizontal line, so the lines will not be tangled.
Please don t worry, if it was tangled, you could untangle it still, just need some patience.
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