We often consider the motion of an object around a circle of fixed radius, R . In principle, this is motion in two dimensions, as a circle is necessarily in a two dimensional plane. However, since th...We often consider the motion of an object around a circle of fixed radius, R . In principle, this is motion in two dimensions, as a circle is necessarily in a two dimensional plane. However, since the object is constrained to move along the circumference of the circle, it can be thought of (and treated as) motion along a one dimensional axis that is curved.
