Info

A large weight makes a depression at the center of a rubber membrane. Steel balls can be rolled around to show orbits.

Parts List

Circular Metal Hoop in J. Modern Physics, 1B

Rubber of Spandex Sheet in J. Modern Physics, 1B

8 Small Clamps in J. Modern Physics, 1B

Relevant Simulation

Gravity and Orbits - Gravitational Force, Gravity, Force - PhET
My Solar System - Motion, Acceleration, Velocity - PhET (requires flashplayer)

Other Information

Orbits in a Spherical Cavity
Gravity Visualized

Real-Life Examples

N/A

More Advanced Reading

N/A