The discussion centers on the physics of circular motion, specifically examining which forces perform work on a ball being swung in a circle at constant velocity. Key forces involved include tension in the string and gravitational force, depending on the context of the scenario (e.g., on Earth versus in space). The participants emphasize the importance of clearly defining the problem to provide accurate insights. The consensus is that while tension does work in certain contexts, gravitational force does not perform work on the ball in uniform circular motion.
PREREQUISITESStudents of physics, educators teaching mechanics, and anyone interested in understanding the dynamics of circular motion and the forces involved.
Miike012 said:Senario: A string is tied to a ball and swung in a circle at constant velocity.
My question was... which forces are doing work?