• If you hook a dog leash over a ceiling fan, the motor is not strong enough to rotate a 42 pound boy wearing Batman underwear and a superman cape…. • It is strong enough, however, to spread paint on all four walls of a 20 by 20 foot room. … • You should not throw baseballs up in the air when the ceiling fan is on. … • When using the ceiling fan as a bat, you have to throw the ball up a few times before you get a hit. • A ceiling fan can hit a baseball a long way. • The glass in windows (even double pane) doesn’t stop a baseball hit by a ceiling fan.