Show that the effect of the radius of revolution being a little different from the length of the string exactly cancels the effect of the tension (equivalently the washer weight) being a little different from the centripetal force so that the period can be expressed in terms of just the masses and length of string (without referencing the angle).

Answer rating: 100% (QA)

In Motion in Two and Three Dimensions we examined the basic concepts of circular motion An object undergoing circular motion like one of the race cars ... View the full answer