Q. If two ping pong ball are suspended near each other and a fast stream of air is produced within the space of the balls, the balls
A) Come nearer to each other
B) Move away from each other
C) Remain in their original positions
D) Move far away
Explanation
(a) When air stream is produced in between two suspended balls, the pressure there becomes less than the pressure on the opposite faces of the balls. Due to which the balls are pushed towards each other
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.