Measurement of elastic constant k of yo-yo balls’ tether
EN 71 - Toy safety test equipment
- The set includes:
- A fixed clamping device (top)
- A mobile clamping device (bottom) of mass (0.1 ± 0.005) kg
- An additional mass to be fixed on the mobile clamping device (bottom) to obtain a total mass of (0.2 ± 0.005) kg (Composed of 2 masses of 50 gr each)
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