wrote:

What is Circular motion ??
The direction of a body's motion is constantly changing when it
moves in a circle at a steady speed.
http://www.studyandjobs.com/circular-motion.html

or for Physics learners, freshers who wants to see some easy
understandable notes...

http://www.studyandjobs.com/physics.html

regards

this is nothen, circular motion any children can do

what is spherical motion, that is the question

after answering this one then try what is intrinsic 4d motion