Elastic Pendulum

 

When started gently, motion alternates between angular and radial oscillation.  The period of the switching can be modified by changing the ratio of the spring’s natural frequency to the pendulum’s natural frequency.

Location: L02, section C1

Impulse Block

impulse block 1

  • Two different balls can be rolled down incline to collide with wooden block. When rubber, bouncy ball collides with block, block tips over.
  • However, when non-bouncy ball collides with block (looks identical to bouncy ball) block does not tip over. Balls have same size and weight.

Location

  • Balls and block located in L02, section B5.
  • Track in Lo2, section B2.
  • Jacks in L35, section D1.