Pendula

3A10.10 Simple Pendulum

  3A10.34 Crossed Dumbell Pendulum
Physical Pendula 3A15 
Springs and Oscillators 3A20.10 Mass on a Spring
  3A20.30 Glider and Spring
  3A20.40 Car Track Simple Harmonic Motion
Simple Harmonic Motion 3A40.10 Circular Motion vs Mass on a Spring
  3A40.20 Circular Motion vs Pendulum
Damped Oscillators 3A50
Driven Mechanical Resonance 3A60.40 Driven Mass on a Spring
  3A60.50 Resonance Reeds
Coupled Oscillations 3A70.10 Wilberforce Pendulum
  3A70.25 Spring Coupled Pendula
  3A70.30 Coupled Pendula
  3A70.70 Two Cars with Springs
Normal Modes 3A75.15 Two Springs Two Masses
Lissajous Figures 3A80
Non-Linear Systems 3A95