LynnBlakeGolf Forums - View Single Post - Was Homer Wrong? Thread: Was Homer Wrong? View Single Post #3 06-27-2006, 10:54 PM golf_sceptic Member Join Date: Jan 2005 Posts: 34 Spot on annekin! "While Centrepetal force pulls it in a circle...Centrifugal force changes the length of this string..." Centripetal force acts on the rock. Centrifugal force acts on the string. For other contributors, remember that these words aren't magic. Centrifugal=away from the centre. Centripetal=toward the centre. golf_sceptic View Public Profile Send a private message to golf_sceptic Find all posts by golf_sceptic