Newton's cradle physics pendulum balls momentum conservation science education kinetic energy demonstration motion
Schlüsselwörter
physics,
pendulum,
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momentum,
conservation,
science,
education,
demonstration,
motion,
inertia,
classroom,
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balance,
equilibrium,
mechanic,
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gravity,
swinging,
steel,
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sphere,
device,
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law,
kinetic,
decor
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