Happy/Sad Ball Set Demonstration For Studying Elasticity, Kinetic Energy, And Polymer Composition Manufacturer,Supplier and Exporter in India
Product Code : EL-DLP-10690
Quick Answer: The Happy/Sad Ball Set Demonstration For Studying Elasticity, Kinetic Energy, And Polymer Composition is a pair of black rubber balls, each 1-3/8 inch in diameter, that look alike but are made from different types of rubber.
Last updated: October 2026
Key Features
- Two black rubber balls, 1-3/8 inch diameter
- Same appearance and mass, different types of rubber
- Happy ball bounces high when dropped on a hard surface
- Sad ball barely bounces from the same height
- Happy ball also rolls faster
Technical Specifications
| Specification | Value |
|---|---|
| Balls | Two, black rubber |
| Diameter | 1-3/8 inch |
| Weight | 0.5 lbs |
| Dimensions | 3 × 2 × 1 in |
About This Product
Dropped from the same height onto a hard surface, one ball bounces high and the other hardly bounces at all, even though they look the same and have the same mass. The difference comes from the two types of rubber, which makes the pair a memorable way to study elasticity, kinetic energy and polymer composition.
Frequently Asked Questions
What is the difference between the two balls?
They look identical and have the same mass, but are made from different types of rubber. The happy ball bounces high and rolls faster; the sad ball barely bounces.
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For a quotation on the Happy/Sad Ball Set Demonstration For Studying Elasticity, Kinetic Energy, And Polymer Composition, contact Science Lab Export.