⛩ Newton's cradle

Modeling a chain drop from table

🎯 Demonstration of the law of conservation of momentum
🔗 Related to pendulum wave demo
🐍 A VPython demo is available as well, see newtons_cradle.py

Live experiment

$$\theta(t)=\theta_0 \cos \bigg( \sqrt{ \dfrac {g} {L}} t \bigg)$$