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Spring Motion Cradle ~ Novelty Physics Fidget!

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Print In Place ~ Easy Supports!
Print In Place ~ Easy Supports!
Designer
1.9 h
1 plate
4.1(18)

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Description

My 3D-printed design of a Newton’s cradle uses balls on springs to illustrate key physics principles. While the 3D-printed construction limits the persistence of motion, it serves as an excellent visual representation of the conservation of momentum and energy. When one ball is pulled back, it stores elastic potential energy in the spring. Upon release, this energy is converted into kinetic energy, transferring momentum through the system. The setup highlights how energy transformations and momentum conservation operate in real-world systems, making it an engaging and tangible educational tool for exploring these fundamental concepts.

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Comment & Rating (30)

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Print In Place ~ Easy Supports!
Does not work as expected
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This works a little. It can work better with less stiff springs.
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thanks for feedback. you can always try different infill percentages and patterns. also i had people comment that it is too lose so i found this a nice middle ground. it will never work as well as a newtons cradle on strings but it shows the conservation of energy throughout the system. when you pull and let go one end other end will vibrate even tho the base is stationery indicating a chain reaction. i found it looks really cool in slow mo
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Replying to @gordei.dragon :
I'll try a slow motion video. I can see the ball on the end fly away which is what's supposed to happen. Something that might work well would be balls on a ramp. 4 balls lined up on the level part and then roll one down the inclined part to collide.
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Replying to @gordei.dragon :
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Print In Place ~ Easy Supports!
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will it go forever
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yeah until the end of time 😅
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Print In Place ~ Easy Supports!
not very springy
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try printing with higher infill I reduced it for the profile to reduce print time
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Print In Place ~ Easy Supports!
not a particularly satisfying newton's cradle, but the sound it makes is funny.
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Print In Place ~ Easy Supports!
A bit complicated to print and the motion transfer is not very clear because it is too fast
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Print In Place ~ Easy Supports!
Other Issues:it is a great fidget but it is a terrible newtons cradle
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it transfers energy 😁
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I believe that w proper summary is, it obeys the laws of physics, it does not demonstrate them. but again, it is a great fidget!
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Print In Place ~ Easy Supports!
Other Issues: Too fast
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gotta go fast
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good but it didnt transfer any energy
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License

This user content is licensed under a Standard Digital File License.

You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.