Fc-6 Attraction of Two Balls

Aim

To Demonstrate how pressure difference can cause attraction.

Apparatus

  • Vacuum cleaner blower
  • Variac
  • Apparatus as in diagram

Attraction of Two Balls 1 Attraction of Two Balls 2

Attraction of Two Balls Apparatus.

Description

The blower is aimed at the space between the two balls. The blower is connected to the variac and slowly brought up to full power. The pressure between th balls is reduced and they are subsequently " attracted".