Suspend a pair of Ping-Pong balls from two strings so there is a small space between them.If you blow air between the balls,they will swing
A)toward each other.
B)apart from each other.
C)away from the air stream,but not necessarily toward or apart from each other.

Question

Quizplus · Accepted Answer

Blowing air between the balls creates a low-pressure area due to the increased speed of the air, causing the higher pressure on the outside to push the balls toward each other.

Suspend a Pair of Ping-Pong Balls from Two Strings So