Falling Feather
Instructional Resource
Contributed By
Exploratorium
Falling Feather
Instructional Resource
In a famous demonstration, Galileo supposedly dropped a heavy weight and a light weight from the top of the Leaning Tower of Pisa to show that both weights fall at the same acceleration. However, this rule is true only if there is no air resistance. This demonstration lets you repeat Galileo's experiment in a vacuum.