1Q10.30-Rolling Ring, Disk, and Sphere

1q1030_rolling_ring_disc_sphere_21q1030_rolling_ring_disc_sphere

Video: Watch this demo

Instructor’s video

Description: This demonstration shows the conservation of mechanical energy.
It also shows objects with different moments of inertia accelerate at different speeds.

Equipment:

  • Wooden Ramp
  • Round sphere, Disk, and Open ring with same diameter
  • Meter sick

Demonstration Procedure:

  1. Position the three objects on the top of the ramp and hold them there with a meter stick.
  2. When ready, release the meter stick so all objects start at the same time.
  3. Note which ones move down the ramp the fastest.

22-C3