====== Feather In A Vacuum ======
{{tag>freefall galileo untagged unlocated}}
{{featherball.jpg?400|}}
// //
===== Description =====
Show that acceleration due to gravity is independent of mass. Classes Used: PHYS 107
motion in a vacuum
===== Purpose =====
To show that bodies fall with the same acceleration provided there are no frictional forces.
===== Apparatus =====
Long tube with feather and solid object, seal, vacuum pump
===== Setup =====
A feather and a small solid object are placed in a long tube and the tube is then evacuated usig the vacuum pump. Invert and watch.
===== Notes =====
the pressure gauge provides a reading of P_atm - P_tube and that the units of the gauge are inHg. Since 1 atm ~ 29.92 inHg, when the gauge dial reads nearly 30 there is an adequate vacuum inside the tube
Updated 04/25/13
// Demo room information //
| **Location** | ---- |
| **Maker** | Unknown |
| **Current State** | Working |