Centrifugal force serves as a reaction force to centripetal force, which is the force needed to move an object in a circle at constant speed. According to Newton's first law of motion, a moving body travels along a straight path with constant speed unless it is acted on by an outside force.
There has always been a lot of speculation over why Vincent Van Gogh cut off his ear. While there are different theories floating around for the reason, the most accepted reason believes that he cut off ear during a seizure of epilepsy. Paul Gauguin and Vincent Van Gogh were friends.
Van Gogh 'cut off his ear after learning brother was to marry'. New research casts doubt on popular theory that painter took razor to his ear after row with fellow artist Paul Gauguin. Self-portrait with Bandaged Ear by Vincent van Gogh, 1889. Photograph: Peter Barritt/Getty Images/SuperStock RM.