Submitted by Anonymous on Tue, 05/10/2011 - 10:52

There was a word that appeared on the AP test that utterly confused us. Could you enlighten us to the meaning of Torsion? We're pretty sure its a made up word. -Paul and Larysa

Michael Lampert

a torsion pendulum is a pendulum that spins back and forth, like twisting a rubber band and hanging a weight from it... really esoteric, that is too bad.