How much work is done on a body of mass m in moving it around a horizontal circle of radius R?

How much work is done on a body of mass m in moving it around a horizo

1.	How much work is done on a body of mass m in moving it around a horizontal circle of radius R?
Answer» Solution :CENTRIPETAL FORCE is always directed along the perpendiculer to the DIRECTION of motion.Hence no WORK is doen by this force `W=overlineF.overlineX=overlineFXcos(pi/2)=0`